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1、学 海 无 涯 课时跟踪检测课时跟踪检测 23 B4 Unit 2 单项填空 1 You must what the teacher explains in the class or you will not be able to grasp the main points of the knowledge A pay attention on B take notice of C learn from D focus on 答案与解析 D 句意 你在课堂上必须集中精力听课 否则你就无法掌握知识要点 focus on 集中 注意力 精力等 于 为固定搭配 相当于 pay attention t
2、o 由此可知 D 项 正确 take notice of 注意到 learn from 向 学习 2 Generous public funding of basic science would a good many benefits for the country s health wealth and security A result from B lead to C lie in D settle down 答案与解析 B 句意 公众对基础科学的捐助将对国家的健康 繁荣和安全大有益处 lead to 导致 使产生 后常接表示结果的名词 符合题意 result from 由 导致 li
3、e in 位于 在于 settle down 定居 安顿下来 3 Would you like him to paint your door with yellow stars I d rather he it blue and without any decorations A paint B painted C paints D painting 答案与解析 B would rather 后接从句时 表示与现在事实相反 从句用一般过去时 故选 B 项 4 But even here in Paris signs of economic crisis have emerged A distu
4、rbed B disturbing C encouraging D encouraged 答案与解析 B 句意 甚至在巴黎都出现了令人担忧的经济危机迹象 v ing 形式一 般修饰物 而 v ed 形式一般修饰人 故排除 A D 两项 disturbing 令人烦扰的 符合 题意 encouraging 令人感到鼓舞的 5 It was your timely help that we accomplished the task on time 学 海 无 涯 A as to B thanks to C but for D ought to 答案与解析 B 句意 幸亏你及时帮忙 我们才按时完成
5、了任务 thanks to 强调 多 亏 含有较重的感谢意味 as to 关于 和 ought to 应该 不合题意 but for 要不是 句子常用虚拟语气 6 It is believed that universities are a place students skills and knowledge not a factory to produce street vendors A to equip with B equipping with C to equip for D equipping for 答案与解析 A 句意 人们相信大学是丰富学生知识和技能的地方 而不是一个制造
6、街道小贩的工厂 a place 后应接动词不定式作定语 排除 B D 两项 equip with 意为 用 装备 故 A 项正确 7 Since then the number of people who were addicted to smoking 20 A has reduced to B reduces by C has reduced by D have reduced by 答案与解析 C 句意 从那时起 吸烟成瘾的人数下降了百分之二十 the number of 意为 的数量 作主语时谓语动词用单数形式 排除 D 项 by 表示 下降了 指程度 to 表示 下降到 指数量 再由
7、本句的时态可知排除 B 项 故 C 正确 8 Would you like to the performance of newly developed energy saving device Sorry but I am not in the position to A make a comment on comment B have a comment with comment on C build up comments on comment on D come up with a comment on 答案与解析 A 句意 你愿意对最新改进的节能设备发表一下评论吗 对不 起 我没有在那
8、个位置 不能够发表评论 comment 意为 评论 既可作及物动词 也可 作名词 作名词时 常用 make a comment on 对 作出评论 故 A 项正确 9 Robert is indeed a wise man Oh yes How I have regretted his advice A to take B taking 学 海 无 涯 C not to take D not taking 答案与解析 D 句意 Robert 确实是一个聪明的人 噢 是的 我多么遗憾 没有接受他的建议呀 regret to do sth 意为 遗憾要做某事 regret doing sth 遗憾
9、做过某 事 故 D 项正确 10 With all his attention on his experiment he has no time to spend with his family A paid B focused C attracted D settled 答案与解析 B 句意 由于把注意力全放在实验上 他没有时间陪家人 此处使用了 with 复合结构 attention 和 focus 之间是被动关系 所以用过去分词 构成短语 focus one s attention on 意为 把注意力集中在 上 11 As the final exam is coming my pre
10、ssure and I m afraid it will my failure A builds up lead to B comes up cause to C turns up bring about D makes up stick to 答案与解析 A 句意 随着期末考试的临近 我的压力越来越大了 我害怕这会导致 我的失败 选项中的 build up 意为 逐渐增强 lead to 意为 导致 符合句子的意思 12 They had to their lives against weather and wild animals A struggle for B lead to C tr
11、eat as D contribute to 答案与解析 A 句意 为了生存他们必须与天气和野兽作斗争 选项中的 struggle for 为 斗争 符合语意 lead to 导致 treat as 把 作为 contribute to 有 助于 均不符合句子的意思 13 Your education will you to earn a good living Work hard from now on A associate B equip C relate D feed 答案与解析 B 句意 你所受的教育会使你过上富裕的生活 从现在开始努力学习吧 associate 使联合 系 rela
12、te 适应 使相互关联 feed 喂养 向 提供 equip 使 学 海 无 涯 有能力 符合句意 14 doesn t always happen as we expect Really So we mustn t take the impossible things as our aims in case that we might be disappointed in future A Anything B Everything C Nothing D Something 答案与解析 B 考查部分否定 根据答语中的 我们一定不能把不可能的事情作为我 们的目标 可知 第一句应是 并不是每件
13、事情都像我们希望的那样发生 everything 与否 定词连用 构成部分否定 15 At times the balance in nature is resulting in a number of possibly unforeseen effects A troubled B confused C disturbed D puzzled 答案与解析 C trouble 麻烦 添麻烦 confuse 使困惑 puzzle 迷惑 disturb 打乱 扰乱 句意 有时候 自然界的平衡被打乱了 导致了无法预料的后果 所以 C 项正确 阅读理解 A Christmas was just a w
14、eek away and I had five people left to shop for but only three dollars Let s set a price limit on our gifts this year I suggested to my best friend Joanie That s a good idea Joanie agreed How about something over five dollars How about sixty cents I felt like the biggest cheapskate in the world I gu
15、ess this is where I m supposed to say it s not the gift but the thought that counts Joanie smiled It is almost impossible to buy anything under sixty cents so it was really going to have to be very small gifts with very big thoughts Finally Christmas Day arrived I gave my mother a candle with a note
16、 that said You are the brightest light in my life She almost cried when she read the note Igave my brother a wooden ruler On the back of it I had painted No brother in the world could measure up to you He gave me a bag of sugar and wrote on it You re my sweet sister For Joanie I painted a pair of shoes with a note that said No one could ever fill your 学 海 无 涯 shoes She thanked me and said I always tickled 使 高兴 her and made her laugh To my other two friends I gave Annie a paper fan and a note on
