Unit7多维教程探索课后习题

Unit7 A B C D 1 Some of the support given in early b earlier units is later taken away although the book is not structurally graded there is an overall increase in the difficulty of the texts and tasks 一些支持了后来单位是早些时候夺去 尽管这本书不是结构分级 有全 面提高文本的困难和任务 2 In order to use your dictionary effective a effectively you should make yourself familiar with its apparatus the system of symbols and abbreviations used in the entries 为了使你的字典有效 你应该让你熟悉其机器 系统和大量的符号缩写 应 征作品 3 It is possible in this unit to help you understand some of the features of the language better and illustrate c to illustrate the information contained in a dictionary by giving examples 在本单元有可能帮助你理解这些语言的功能更好 来说明在字典中所 包含的信息给的例子 4 As you increase your understanding of the language and your skill in using a dictionary you will feel greater confidence and learn well d better 当你增加你的理解语言和技巧 你在使用字典 你会感觉更大的信心和 学习得更好 5 Our first experiment illustrating expansion through heat a requires is required the apparatus before us a ring on a metal stand a metal ball and a Bunsen burner 我们的第一个实验说明扩大到热要求仪器在我们面前 一枚戒指于一 个金属站 金属球和煤气灯 6 Since the ring has remained untouched by the heat we must conclude that the ball is increased c has increased in volume that is to say it has expanded 因为这枚戒指一直未受热 我们必须断定 那个球量的增加 也就是说 它已经扩大 7 When attempt a When an attempt was then made to pass the heated ball through the ring it was found that it would not go through 当试图通过加热 然后球通过只戒指 它被发现了 它不会通过去 8 Musical instruments can be divided into two basic groups those which are played with the hands alone and those d for which which both hands and mouth are needed 乐器可分为两种基本组 那些的播放孤单 用手的双手和嘴巴是必要的 9 The sharp rise in the price of oil over the last decade has been unpleasant but in the long run it is beneficial partly it c partly because it discourages waste and partly because it has forced many nations to seek ways of developing better and more permanent sources of energy 急剧增长的石油的价格在过去的十年里已经不愉快的但从长远来看 这是有好处的 部分原因是它分散了人们的浪费 部分原因是因为它已 经迫使许多国家寻找发展更好 更持久的能源 10 In what following a follows the earlier distinctions rather than this one will be assumed when comparing different energy sources 在下文中的越早 而不是殊荣 并承担这一领域的在比较不同的能源 A 部分 1 Nowadays the ATM machine is very popular because people can get money almost instantaneously when the code number is put in 如今 ATM 机中很受欢迎 因为人们能拿到钱代码的时候几乎同步的号码是安装 2 He is a very stubborn person so it is a sheer waste of time if you want to persuade him to change his mind 他是一个非常固执的人来说是很纯粹是浪费时间 如果你想说服他改变主意 3 On a hot day the air conditioner suddenly stopped in the middle of night so I hard to fling off my blanket 在一个炎热的一天 空调突然停止了午夜前后 所以我很难甩掉我的毯子 4 The professor had trouble understanding the student s essay because the ideas were obscure 这位教授听不懂学生的文章 因为这些想法不清楚 5 A number of hypotheses have been put forward concerning the process of decision making in the human brain 许多猜测则的过程提出了关于决策的人脑 6 The treasurer screwed up the accounts of the Association so badly that he had to be fired 财务扰乱了协会的叙述得很厉害 他不得不被解雇 7 Almost all the real estate agencies stipulate some kind of payment in advance 几乎所有的房地产中介规定某种要预付货款 8 I could hear someone blundering around downstairs but when I got there nobody was found 我听到有人在楼下浮躁 但当我到那里时没有人被发现 9 This man has coaxed millions of RMB from a credulous people 这个人没有说服百万元 人民币从轻信的人 10 These islands are not a popular holiday destination but are worth considering nonetheless 夏威夷群岛是不受欢迎的度假胜地 但值得考虑的印象 B 部分 1 In order to get into the museum the criminal tried to tamper with the security alarm system 为了能去博物馆 刑事试图篡改安全保障系统 2 It is unrealistic for a person to try to be infallible The only solution is to make fewer mistakes 对一个人是不现实的试图想成为绝对的 唯一的解决出路就是犯更少的错误 3 Such a kind of question is beyond his understanding after all he is a boy of ten 这样的问题超出他的理解 他毕竟是一个十岁大的男孩 4 She is good tennis player but in the championship game she chocked up and played poorly 她很会讲一些言不由衷的网球运动员 但在锦标赛中发挥不佳 她堵 塞 5 The baby kept crying for a long time until a thorn was found embedded in his finger 这个婴儿连续哭了一段很长的时间直到发现一根刺嵌在他的手指 6 Students who always do things by the book might lack creativity 学生的人做事一向本书就可能太缺乏创意了 7 For different purposes scientists have already changed a dog s genetic endowments by selective breeding 对不同的研究目的 科学家们已经改变了狗的遗传捐助以 选育 8 Surveys made by some unauthorized organizations are often a rather fallible guide for consumers 未经授权的组织进行了调查 而通常是指导失误消费者 9 It is reported that five companies w