[注释]give away 暴露，泄露。参阅III.68.注释。

352. Carl wanted to play a joke on Bob but gave himself _____ by laughing.

   A. away    B. in    C. out    D. up

[答案] A. away.

351. The rapidly growing birth rate brings about a lot of environment problems, which the government is supposed to take _____.

   A. significantly    B. severely    C. earnestly    D. seriously

 [答案] D. seriously.

[注释]take...seriously 是习惯搭配，意为"重视，认真对待"

350. The two dogs started to fight, so we tried to _____ them.

   A. split    B. separate    C. tear    D. divide

[答案] B. separate.

[注释]separate 意指将结合的东西"分开，拆散"，divide指把整体"分成"几个部 分，split（沿一条线-）裂开，tear撕开，distinguish"区分，区别，辨别"。

349. Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.

   A. decline    B. rarity    C. vacancy    D. shortage

[答案] D. shortage.

[注释]labour shortage 劳动力短缺。Decline 下降。rarity稀少。vacancy 空缺，未占用.

348. The thieves _____ him _____ in the park, took his wallet and escaped.

   A. held .. back      B. held .. up

   C. held .. on        D. held .. out

答案] B. held ... up.

[注释]hold up sb. 拦劫。hold up, hold on, hold out 的用法请参阅III.82,83注释.

347. When I arrived in this country, I had to start learning the language from _____.

   A. scratch    B. scrap    C. snatch    D. scrape

[答案] A. scratch.

[注释]start from scratch (=from the beginning, from nothing) 从头开始，白手起家；John brought the radio from scratch. (=John bought the parts and put them together himself.)

346. As soon as Charles had _____ a little from his surprise, his one thought was to get away.

   A. returned    B. absorbed    C. dissolved    D. recovered

[答案] D. recovered.

[注释]recover from 从......恢复过来

345. I shall never beat John at tennis; we are clearly not in the same _____.

   A. set    B. band    C. group    D. class

[答案] D. class.

[注释]be in the same class 水平相同。此句中class,意为"(高低、优劣的)等级；种 类"。

344. I'm afraid you have no _____ but to come along with us.

   A. possibility    B. permission    C. choice    D. selection

 [答案]C. choice.

[注释]have no choice but 除了...没有别的选择；只能...：I have no choice but to obey.(我只能服从)。