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7) The authorities are crying out for a thorough investigation into the coal-mine that blasted (爆炸) yesterday.

8) See to it that everyone in your class knows that the party has been put off until next week.

9) This is the storehouse of our company and customers have no business entering it.

10) He’s the kind of person who often wonders what he can get out of others instead of what he can give to others.

11) He wanted science students to take an interest in the arts, and to this end he offered literature classes at home on Sunday afternoons.

12) Absent-mindedness is not at all allowed while you’re working. It’s the sort of work that calls for a high level of concentration.

13) Science, especially computer science, has brought about changes in many aspects of our lives, such as the way we work, study and communicate.

14) The expenses for the summer camp averaged out to 194 dollars per day, much more expensive than we had planned.

Increasing Your Word Power

1 Study the following pairs of words which are similar in meaning. Reflect on the differences in usage between the words in each pair and fill in each blank with an appropriate one. Change the form where necessary. enroll, participate

1) How many countries will be participating in the Olympic Games?

2) Barbara wanted her daughter to enroll in the ballet class while she herself registered for the drawing class.

certify, prove

3) The task proved to be more difficult than we’d thought.

4) She felt quite relieved after reading the report of her physical checkup, which

certified that she was in good health.

expose, reveal

5) The doctor did not reveal to him the truth that he had lung cancer. 6) Silver will darken if it is exposed to sunlight for a period of time.

assume, think

7) We must assume him to be innocent until he is proved guilty. 8) Do you think I would do something so stupid at my age?

preside, host

9) Which country is going to host the next World Cup?

10) Mr. Finch retired after presiding over the company for 30 years.

shudder, shake

11) He shook the carpet to get rid of the dust.

12) She shuddered at the thought that she could have been killed.

negotiate, reconcile

13) British Airways is negotiating a new contract with our company. 14) Management and labor are attempting to reconcile their differences.

diversity, distinction

15) There is a need for greater diversity and flexibility in the training program. 16) There’s a clear distinction between the dialects spoken in the two regions.

illusion, imagination

17) I can never make up stories — I have absolutely no imagination . 18) I had been under the illusion that he loved me until I was told yesterday that he had just got married.

scheme, plan

19) The training scheme for the unemployed young people is aimed at helping them to find work.

20) We don’t have any plan for the weekend, so we can join you for lunch on Saturday.

2 The prefixes radio(-) and tele- are used to form new words, as is shown in the following table. radio(-)

1) connected with radio waves or broadcasting 无线电波的；无线电广播的 e.g.

radio-controlled a. 无线电控制的 radio frequency n. 无线电频率 radio communication n. 无线电通信

radiocast = radiobroadcast n./vt.(用)无线电广播

2) concerning radioactivity 与放射线有关的 e.g.

radio-protective a. 防辐射的 radioactive a. 放射性的

radiodiagnosis n. 放射诊断，X线诊断 radioelement n. 放射性元素 radiography n. 射线照相(术)

tele-

1) at or over a long distance 远(距离)

e.g.

telescope n. 望远镜

telecommunications n. 电信，长途通信 teleshopping n. 电话购货法

teleconference n. 远程会议；电信会议 telecontrol 遥控

2) by or for television 由(为)电视 e.g.

teleplay n. 电视剧 teletext n. 图文电视 telecast vt. 电视广播

3) done using a telephone 通过电话的 e.g.

telesales = telemarketing n. 电话销售 telephone tapping n. 电话窃听 teleprinter n. 电传打印机

Now fill in the blanks in the following sentences using the words in the above table. Change the forms where necessary. 1) On clear nights, we observe stars by using telescopes .