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