高考英语语法填空形容词副词

高考英语语法填空形容词副词

第三集　语法填空核心考点考点突破        ——形容词和副词  ——  使表达更准确生动    【考向聚焦】 往年考查的重点是形容词和副词的比较级和最高级的用法。近三年来考点开始涉及多个形容词作前置定语的排列顺序、形容词及形容词短语作状语，形容词和副词的词义比较和具体运用。要复习好这一块的知识，考生不仅要弄清其词形、词义、功能等基础知识，还要掌握同义词辨析和一词多义等重点知识。对应学生用书P9 用适当的形容词或副词填空 1．(2013•福建，31)Those poor and needy teenagers were excited to find a shop at the corner where they could buy ________(afford)priced bikes. 解析　根据Those poor and needy teenagers(那些贫穷的青少年)可知，那个商店定价不太昂贵。 答案　affordably 2．(2013•安徽，33)It's said that the power plant is now________(twice)large as what it was. 解析　考查比较级倍数表达句型。句型为：倍数＋as＋形容词、副词原级＋as＋比较对象。 答案　twice as 3．(2013•湖北，29)Don't defend him any more.It's obvious that he________(deliberate)destroyed the fence of the garden even without apology. 解析　句意：不要再坦护他了。他显然是故意破坏花园栅栏的，而且没有道歉，此处应用副词形式。 答案　deliberately 4．(2013•江西，24)What a terrible experience！________，you're safe now—that's the main thing. 解析　考查副词。句意：多么可怕的经历！不管怎样，现在你是安全的，这才是主要的。 答案　Anyway 5．(2013•辽宁，33)This is by far________(inspire)movie that I have ever seen. 解析　考查形容词比较等级。根据标志性词语by far及I have ever seen可知此处使用最高级。句意：这是迄今为止我所看过的最具激励性的电影。 答案　the most inspiring 6．(2013•浙江，18)If what your friend comes up with surprises you，don't reject it immediately.________，imagine that it is true. 解析　句意：如果你朋友想出的主意让你感到惊奇，不要立刻就反对，还不如设想它是正确的。 答案　Rather 自查自纠表 题号 1 2 3 4 5 6 得分 考点        正误        思考        我的盲点：        我将________。         对应学生用书P9  比较级、最高级的考查 【典例1】 Of the two coats，I'd choose the ________(cheap)one to spare some money for a book.(2010•四川) 解析　从of the two coats可知用比较级。 答案　cheaper 【典例2】 Speaking of all the songs he has written，I think this is probably his ________(wellknown)one.(2013•全国Ⅱ) 解析　根据语境all the songs he has written可知用最高级。 答案　best－known   1．The businessman boasts to me that I can't find a ________(good)gold necklace，because his shop deals in the best. 解析　句意：那位商人向我夸耀说我不可能找到比这更好的金项链，因为他的商店卖的是最好的。结合句意可知，此处是“否定式＋比较级”表达最高级的含义。 答案　better   近几年有关比较级的高考试题的特点是：试题考查间接化，即很少出现标志性单词as，than，而是通过设置语境，让考生来判断该用原级、比较级还是最高级，这种命题思路无疑增加了试题难度。  比较级、最高级前的修饰语 【典例3】 After two years' research，we now have a ________(far)better understanding of the disease.(2013•全国Ⅱ ‎) 解析　从句中的信息词better可看出是考查比较级前的修饰语。为了突出强调或表示程度，比较级前可用much，far，a little，any，some，a bit，even，still，rather，a lot等词修饰；最高级前可被序数词及much，by far，nearly，almost等词修饰。 答案　far 【典例4】 —Are you feeling any ________(well)? —Yes.I'm fine now. 解析　本题暗含比较级的用法，即与过去相比，感受如何。其中any修饰比较级。 答案　better   2．—The film is，I have to say，not a bit interesting. —Why？It's far ________(interesting)than the films I have ever seen. 解析　考查形容词比较级。程度副词far可修饰形容词比较级，置于比较级前。根据前一句语境“这部电影一点也没有趣”可知，后一句意为“为什么？我觉得它比我之前看的那些电影都有趣”。 答案　more interesting 3．You're driving too fast.Can you drive a bit more ________(slow)? 解析　句意：你开车开得太快了。你能开慢一点吗？more修饰slowly，more slowly意为“更慢”；a bit修饰比较级，表示程度，意为“一点”。 答案　slowly   考场揭密①：近三年常考的形容词 ashamed惭愧的　accurate精确的　(un)acceptable(不)可接受的　accessible容易得到的；可进入的　amusing好玩的，逗的　amazing令人惊异的　attractive有吸引力的　annoying讨厌的，烦人的　anxious担心的；急切的　brilliant聪明的　brief简略的　casual随意的，漫不经心的　complicated复杂的　curious好奇的　delighted高兴的，愉快的　discouraged使丧气的　determined坚决的，坚定的　energetic精力充沛的　extraordinary非同寻常的　generous慷慨的　instructive指导性的，指示性的　independent独立的　infrequent不经常的　instant立即的　impatient不耐心的　modest谦虚的　negative否定的，负面的　potential潜在的　promising有前途的　restrictive限制的　ridiculous荒谬的　respectable值得尊敬的　scientific科学的　stressful有压力的　technological技术的　troublesome麻烦的，捣蛋的　urgent紧急的　unconcerned不关心的　worthless没用的　violent暴力的；猛烈的 考场揭密：②形容词、副词的常用结构 比较结构中放入一个名词时的语序问题常常让人感到棘手，但只要记住了以下句型，问题便能迎刃而解： (1)as/so＋adj.＋a/an＋单数名词＋as He is as honest a man as you. (2)a/an＋比较级＋adj.＋单数名词＋than This is a more interesting story than that one. (3)as many＋复数名词＋as；as much＋不可数名词＋as I can carry as much paper as you can. (4)as much＋(a/an)＋名词＋as It is generally believed that teaching is as much an art as it is a science. 人们普遍认为教学既是一种艺术也是一门科学。  固定搭配 【典例5】 He began to take political science ________(serious)only when he left school.(2013•湖北) 解析　take...seriously重视，认真对待。 答案　seriously 【典例6】 It's hard for him playing against me.I've got nothing to play for，but for him，he needs to win so ________(bad)．(2013•湖南) 解析　so badly意为“非常急切地”。 答案　badly 【典例7】 —Do you need any help，Lucy? —Yes.The job is ________ I could do myself.(2013•福建) 解析　more than表示“超过”。 答案　more than   1．no more than意为“仅仅，至多……”；not more than意为“不多于，不超过”。如： It's no more than a mile to the ‎ shop. 离商店只有一英里。 I'll stay here not more than three days. 我将待在这里不超过三天。 2．no more...than译为“……和……一样不……”，than前后两部分在意义上都是否定的。not more...than可译为“不如……”。如： He is no more diligent than you. 你不勤奋，他也不勤奋。 He is not more diligent than you. 他不像你那样勤奋。   4．—Must I turn off the gas after cooking? —Of course.You can never be ________ careful with that. 解析　考查英语中固定句型“cannot/can never be too...”。意为“越……越好”或“再……也不过分”。句意为“你越小心越好”。 答案　too 5．(2012•新课标全国)This restaurant wasn't ________(……的一半好)that other restaurant we went to. 解析　考查倍数表达法。句意：这家饭店还不如我们以前去的那家饭店的一半好。本句所用到的倍数表达法的结构是“倍数词＋as...as...”。在此结构中，应把倍数词放在as...as的前面。 答案　half as good as 6．________(十名强壮的中国青年)students are required to take part in the boat race. 解析　要符合“限定词(ten)＋描绘性形容词(strong)＋年龄(young)＋国籍(Chinese)＋名词”的顺序。 答案　Ten strong young Chinese   口诀：多个形容词修饰名词时的顺序 限定描绘大长高， 形状年龄和新老。 颜色国籍出材料， 作用类别往后靠。  对应学生用书P11 用适当的形容词或副词填空 1．China is ________ country in Asia.That is，it is larger than ________ country in Asia，and it is larger than ________ country in Africa. 解析　句意：中国是亚洲最大的国家，比其他任何亚洲国家都大，比非洲任何一个国家都大。中国属于亚洲，不属于非洲，所以第二个空填any other，第三个空填any。 答案　the largest；any other；any 2．Sometimes the same word has slightly different meaning，which can be ‎ ________(confuse)． 解析　句意：有时候，同一个单词意义有一点细微的差别，这让人困惑。副词修饰形容词一般前置，“令人困惑的”是用现在分词形式的形容词confusing。 答案　confusing 3．We'll have to wait a ________(far)two weeks to know the examination result. 解析　far的比较级形式有两个：farther和further。further意为“更进一步的”，“更多的”，符合句意。如果用more，要用two more weeks。 答案　further 4．Chen Yifei(1946－2005)，who died in his ________ fifties，was a most successful artist. 解析　in one's late fifties意为“在某人五十来岁时”。 答案　late 5．—Don't you think Jim was brave to go bungee jumping? —Personally，I thought he was ________(mad)than brave. 解析　句意：——吉姆去蹦极你不觉得勇敢吗？——我个人认为他是疯了，而不是勇敢。more...than可以将两个不同品质的形容词放在一起比较。 答案　more mad 6．The salesman showed her several MP3s and she chose ________(expensive)one as she didn't want to spend too much money on it. 解析　几个MP3中最便宜的，要用最高级表示。expensive为多音节形容词，所以应为the least expensive。 答案　the least expensive 7．Interviews were carried out ________(official)over the telephone，via e－mail or fax or face to face in four cities including Beijing，Shanghai，Guangzhou and Wuhan. 解析　根据句意，进行正式的访谈(如通过电话、电子邮件、传真或面谈)，应选副词officially。 答案　officially 8．—When did you first meet Tom? —The first day I came to this city，________(确切地说)，on May 2. 解析　or rather意为“确切地说”。 答案　or rather 9．I have $50，but that isn't ________(near)enough for my journey fare. 解析　not nearly意为“远远不(够)”。 答案　nearly 10．—The government should think about the medical reform again and make sure of medical care，in my opinion. —________(much)．The medical services and efficiency are not good at the moment. 解析　从语境上看，答话人表示赞成上文所叙述的情况。I cannot agree more.意为“我再同意不过了”。 答案　more ‎                   ‎ 第四集　语法填空核心考点考点突破        ——连词与介词  ——语言学习的基础 ‎    ,【考向聚焦】 历年高考题中至少有一道题要考到连词或介词。介词的考查形式多样，除了单纯考查介词外，还常考查介词与其他词的搭配。此外，在定语从句中，也常考查“介词＋关系代词”的用法。有些介词的考查频率较高，如with，beyond。连词考查较多的有：but和while，“祈使句＋and/or＋并列句”中的and和or；另外，for作为并列连词的用法也是一考点。  对应学生用书P12 用适当的连词或介词填空 1．(2013•安徽，22)Before you pay a visit to a place of interest，look in your local library________a book about it. 解析　考查介词。句意：在你去一个名胜旅行之前，在你当地的图书馆寻找一本关于它的书。本题关键在于认识到动词look与选项中的介词搭配构成固定短语的时候，其中隔有短语in your local library。 答案　for 2．(2013•福建，29)Mrs.Smith finds it hard to clear up the mess，as her children are always ________ the way whenever she tries to. 解析　考查介词短语。句意：史密斯太太发现想收拾一下那些乱七八糟的东西有困难，因为每当她想要做的时候她的那些孩子总是妨碍她。 答案　in 3．(2013•湖北，30)An artist who was recently traveling on a ferry to the southern island discovered________ chance a long lost antique Greek vase. 解析　考查短语辨析。此处表示“偶然发现了一个遗失多年的古希腊花瓶”。 答案　by 4．(2013•北京，26)I have an appointment ________ Dr.Smith，but I need to change it. 解析　考查介词。短语为have an appointment with sb，意为“与某人预约、约会”。 答案　with 5．(2013•新课标Ⅱ，11)A serious study of physics is impossible________some knowledge of mathematics. 解析　考查介词。句意：如果没有一点数学知识，要认真研究物理是不可能的。 答案　without 6．(2013•新课标Ⅰ，34)It was a real race________time to get the project done.Luckily，we made it. 解析　考查介词。句意：为了完成这项工程，这真是与时间的一次赛跑。 答案　against 7．(2013•新课标Ⅰ，32)There's no way of knowing why one man makes an important discovery________another man，also intelligent，fails. 解析　考查并列连词。根据句意，前后两句话为两种情况的对比“一个人会做出一个重要的发现，而另一个人，也很聪明，但是失败了”。并列连词while表示对比。 答案　while 8．(2013•重庆，23)It's not easy to change habits，________ with awareness and selfcontrol，it is ‎ possible. 解析　考查并列连词。句意：改变习惯不易，但如果是有意识和有自我控制能力的话，还是有可能的。前后为转折关系，用并列连词but。 答案　but ‎ 对应学生用书P12  介词的普通用法 【典例1】 Four Chinese models were ________ the 14 people awarded prizes on Friday at the World Supermodel Competition.(2009•上海) 解析　考查介词的用法。among表示“三者或三者以上的同类事物之间”。根据题干中“在获奖的14个人里边，中国模特占4人”可知。 答案　among 【典例2】 He invited me to a dance after the show ________ Christmas Eve.(2009•陕西) 解析　考查介词的用法。at Christmas表示在圣诞期间；介词on后接具体的某一天。此处表示在圣诞节前夕，故用介词on。 答案　on 【典例3】 Nowadays some hospitals refer to patients ________ name，not case number.(2010•江西) 解析　句意：如今一些医院以名字来叫病人，而不是以病历号。考查固定短语。by表“方式”。 答案　by 【典例4】 ________ the crisis of economy getting more and more serious，the government is searching for ways to improve people's life.(2013•扬州调研) 解析　句意：随着经济危机变得越来越严重，政府正在想方设法改善人们的生活。这里the crisis of economy getting more and more serious是一个短语，所以应该用介词with，表示伴随；而as，when和if后面都要跟句子。 答案　With   1．—When do we need to pay the balance? —________ September 30. 解析　by后接时间点，意为“不迟于”，“在……之前”。 答案　By 2．Luckily，the bullet narrowly missed the captain ________ an inch. 解析　句意：子弹以一寸之差未击中上尉的头部。by可表示时间、空间、距离等数量的相差。 答案　by 3．A great person is always putting others' interests ________ his own. 解析　句意：伟人总是把他人的利益置于个人利益之上。above意为“在……上方”符合句意。 答案　above 4．________ the production up by 60%，the company has had another excellent year. 解析　句意：由于产量增长了60%，该公司又有一个丰收年。 答案　With   介词with的用法主要有 1．表示“和……在一起”，“由……陪同”或“有……在场” The students went to the farm with their teachers. 学生们与他们的老师一起去了农场。 2．表示“随着……” With time passing，they have grown into big boys and big girls. 随着时间的流逝，他们已经长成大小伙子和大姑娘了。 3．with后面加复合宾语，说明附带情况 He likes to sleep with the windows open. 他喜欢开着窗户睡觉。 4．表示“具有；带有；包括……在内” China is a country with a long history. 中国是个历史悠久的国家。 5．表示原因或理由 The little girl was trembling with fear. 这个小女孩吓得发抖。  介词短语 【典例5】 When asked about their opinions about the schoolmaster，many teachers would prefer to see him step aside ________ favor of younger men.(2011•湖北，30) 解析　句意：在被问到他们对校长的看法时，很多老师说他们宁愿看到他让贤于更年轻的人。考查介词短语辨析。句中的step aside表示“让位，让开”，后面接介词短语in favor of表示这些老师更赞成起用更年轻的人。 答案　in 【典例6】 More and more highrise buildings have been built in big cities ________ lack of space.(2010•福建) 解析　“介词＋名词＋介词短语”多由in和for开头，常见的有in favour of(赞成)，in honour of(为了纪念，为向……表示敬意，为庆祝)，for fear of(以免)等，如for lack of(由于缺乏)。 答案　for 【典例7】We give dogs time，space and love we can spare，and ________ return，dogs give us their all.(2010•江西) 解析　“介词＋名词”构成的固定短语也是高考的常考点，因此，熟记介词短语的意义是辨析语意的关键。常见的介词短语主要由by，for，in，on等“活跃介词＋名词”构成，如by chance/accident(偶然)，on purpose(故意)，in return(反过来)。 答案　in   5．Do you think this shirt is too tight ________ the shoulders? 解析　考查介词。句意：你觉得这件衬衣的肩部是不是太紧了？across表示“从一边到另一边”，符合句意。 答案　across 6．An agreement seems to be impossible because the majority of the committee members are ________ it. 解析　考查介词的用法。句意：达成协议似乎不可能，因为大多数委员会成员反对。against“反对”，符合句意。 答案　against   1．动词＋介词 account for说明　agree on对……达成协议　begin with以……开始　come across碰见　go into调查　keep from阻止　look for寻找　stand for代表　agree with 同意(某人意见)　answer for对……负责　wait for等待　decide on对……作出决定　head for向……前进　live on靠……生活　look into调查　stick to坚持　agree to同意(某种安排等)　aim at针对　call for要求　get into进入　hear from接到……的信、电话　look after照顾　run into碰到　wait on招待 2．动词＋副词＋介词 add up to合计达……　come up with提出　get on with与……相处融洽　look down upon看不起　look up to敬仰(某人)　put up with忍受　come up against遭到反对　do away with废除　keep up with跟上　look forward to盼望　make up for弥补　stand out for坚决要求　come up to达到　get down to开始认真考虑　live up to不辜负(期望)　look out for当心　run out of用完　stick out for坚持要求 3．动词＋名词＋介词 catch sight of突然看见　make room for为……腾出地方　take pride in以……为荣　make friends with和……交朋友　pay attention to注意　show interest in对……感兴趣　make fun of取笑　take care of照顾　take part in参加  含有介词的成语 【典例8】 We hadn't planned to meet.We met ________ chance. 解析　by chance为固定搭配，意为“偶然”。 答案　by 【典例9】 His efforts to raise money for his program were ________ vain because no one showed any intention to take a cent out of their pockets. 解析　句意：他为这个项目筹集资金的努力徒劳无功，因为没有人愿意从腰包里掏一分钱。in vain意为“徒劳”，符合句意。 答案　in   7．He was a good student and scored ________ average in most subjects. 解析　句意：他是一个好学生，大多数学科的分数在平均分之上。above表示“(数目、数量、水平、年龄)超过，多于”，符合句意。 答案　above 8．Sometimes proper answers are not far to seek ________ food safety problems. 解析　考查介词。句意：有时候，解决食品安全问题的答案并不太难寻求。answer to表示“(问题)的答案”，是固定搭配。本句中的food safety problems被从proper answers的后面移至现在的位置，从而加大了此题的解题难度。 答案　to   揭密常考的介词成语 (1)含有at的成语 at a time一次　at least至少　at the same time同时 at all costs不惜一切代价　at most至多　at times有时候　at first最初　at once立即　at will任意地　at last最后　at present目前　at work起作用 (2)含有by的成语 by accident偶然　by day/night白天/夜间　by heart能背诵　by turns轮流　by birth出身　by no means绝不　by chance偶然　by mistake错误地　by the way顺便说一下　by chance偶然　by mistake错误地　by the way顺便说一下 (3)含有in的成语 in a sense从某种意义上说　in case假使　in fact实际上　in one's opinion在某人看来　in other words换句话说　in short总之　in the long run从长远来看 in advance事先　in store必将发生　in general一般说来　in no time立刻　in public公开地　in vain徒劳　in time及时　in the meantime同时　in danger处于危险中　in turn轮流　in order井井有条　in return作为回报　in the end最后　in all总共 (4)含有on的成语 on average平均　on foot步行　on sale在出售　on the way在途中　on business出差　on holiday在休假　on strike罢工　on time准时　on duty值日　on behalf of代表　on the contrary相反　on the spot当场　on fire着火　on purpose故意地　on the other hand另一方面 (5)含有out of的成语 out of breath气喘吁吁　out of date过时　out of order发生故障　out of patience失去耐心　out of work失业　out of control失去控制　out of doors 在户外 out of question毫无疑问　out of reach拿不到　out of the question不可能　out of danger脱险　out of fashion不合时尚　out of luck倒霉　out of shape变形　out of touch失去联系  并列连词 【典例10】 Find ways to praise your children often，________ you'll find they will open their hearts to you.(2011•山东) 解析　句意：设法常常表扬你的孩子，这样你就会发现他们会向你敞开心扉。考查并列连词。从句意连贯判断应用and表顺承关系。 答案　and 【典例11】 They wanted to charge $5，000 for the car，________we managed to bring the price down. 解析　两个分句之间是转折关系，故用并列连词but。 答案　but 【典例12】 In some places women are expected to earn money ________ men work at home and raise their children. 解析　此处是对women和men的分工进行对比，故用while，而不用but。 答案　while 【典例13】 John plays basketball well，________ his favorite is badminton. 解析　yet是并列连词，表示转折。 答案　yet 【典例14】 He found it increasingly difficult to read，________ his eyesight was beginning to fail. 解析　for在此引出表示原因的并列分句。 答案　for 【典例15】 Stand over there ________ you'll be able to see the oil painting better. 解析　此并列句的结构为“祈使句＋and＋陈述句”。祈使句表示条件，and在此引出表示结果的并列分句。 答案　and   9．Try to read stories in English and speak in English whenever you can，________ you will see more progress over time. 解析　这是一个“祈使句＋and＋陈述句”结构。后面的陈述句表达的是前面祈使句顺承的结果，所以用and。 答案　and 10．—I wonder how much you charge for your services. —The first two are free ________ the third costs $30. 解析　while是并列连词，表示对比，意为“而”。 答案　while 11．It is often said that the joy of traveling is ________ in arriving at your destination ________ in the journey itself. 解析　not...but...构成固定句式，意为“不……而……”，but为并列连词。 答案　not；but 12．I thought we'd be late for the concert，________ we ended up getting there ahead of time. 解析　两个分句在意义上是转折关系，故用but。 答案　but 13．You have failed two tests.You'd better start working harder，________you won't pass the course. 解析　考查“祈使句＋and/or＋陈述句”。因为祈使句与后面的陈述句所表达的内容是对立的关系，故用or(否则)。 答案　or 14．Help others whenever you can________you will make the world a nicer place to live in. 解析　此并列句的结构为“祈使句＋and＋陈述句”。and意为“那么”，引出表示结果的并列分句。 答案　and   做并列连词的when和while (1)when还可用作并列连词，其意思为“这时，那时”，相当于and at this/that time。常用于下列句式：①sb was doing sth when...②sb was about to do/going to do/on the point of doing sth when...③sb had just done sth when...如： We were having a meeting when someone broke in. 我们正在开会，这时突然有人闯了进来。 We were about to set off when it suddenly began to rain. 我们正打算动身，这时突然下起了雨。 (2)while作为并列连词，意为“而，却”，表示对比。如： He likes pop music，while I am fond of folk ‎ music. 他喜欢流行音乐，而我喜欢民间音乐。  对应学生用书P15 用适当的介词或连词填空 1．Some people do as they please regardless ________ what the result will be. 解析　结合上下文的意思可知应选regardless of(不管……)。 答案　of 2．She is ________ a growing number of Chinese people who are finding it increasingly difficult to find the time to read each day. 解析　among表示是三者以上的人或物当中的一员，相当于one of。 答案　among 3．I know nothing about the young lady ________ she has just come back from Great Britain and got a doctor's degree. 解析　except that后接从句。 答案　except that 4．Guangdong lies ________ the south of China and Fujian is ________ the east of Guangdong.Hainan is ________ the coast of the mainland. 解析　表示位置关系的几个介词中，in指位于某个范围之内，on指与……接壤，to指位于某个范围之外，off指在离……有一定距离的海上。 答案　in；on；off 5．Our company has arranged me to go on a business trip to Shenzhen next week，but I will drop in on my friend in Guangzhou first.In other words，I will go to Shenzhen ________ way of Guangzhou. 解析　by way of意为“经由，取道”。第二句意思：我将取道广州去深圳。 答案　by 6．In Hangzhou，Mr.Black was so struck ________ the beauty of nature that he stayed ________ another night. 解析　介词by后接动作的发出者。stay for another night意为“再住一晚”。 答案　by；for 7．Wuhan and Chongqing are among the most important cities in China ________ terms of their size and population. 解析　in terms of意为“就……而言”。句意：就规模和人口数而言，武汉和重庆在中国都算举足轻重的城市。 答案　in 8．His best－known painting that is ________ all praise will be on show in the National Gallery early next month. 解析　be beyond all praise意为“倍受赞誉”。 答案　beyond 9．—What do you want to do ________ those old boxes? —To put things in when I move to the new flat. 解析　to put things in表明those old boxes是被用作工具，故选介词with。 答案　with 10．The number of the employees has grown from 1，000 to 1，200.This means it has risen ________ 20 percent. 解析　by后接增长或减少的幅度；to后接增长或减少后达到的具体数量。 答案　by 11．Knowledge is the food of thought ________，as long as it is put in our brain，we ‎ will grow wiser. 解析　and连接两个并列分句，表示联合关系。 答案　and 12．There is still much to discuss；________，we shall return to this topic at the next meeting. 解析　根据句意，此处应填表示“因此”、“所以”之意的词，故选therefore。 答案　therefore 13．It's really very dangerous.One more step，________ the baby will fall into the well. 解析　此句的句型结构为：祈使句＋and＋陈述句。并列连词and在此意为“那么”。One more step＝Take one more step。 答案　and 14．Information technology is taught in most schools，________ we have entered the information era. 解析　for可用作表因果关系的并列连词，连接两个分句时，后一分句对前一分句进行解释。 答案　for 15．I've taught him，several times，________ he still doesn't know how to do it correctly. 解析　虽然我教了他几次，但是他仍然不知道怎么正确地做。 答案　but 提 示 课后完成《专题提升训练四》‎