________the new economical policy，he exp

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问题选择题

________the new economical policy，he expanded his business and made more profits than before.

A．Benefiting from

B．Benefited from

C．Having benefiting

D．To benefit

答案

答案：A

A　考查非谓语动词。空格处应为非谓语动词作状语，“从……中受益”应用短语benefit from。主语he 与benefit from 之间为主谓关系，故用现在分词作状语。

填空题

阅读下面短文，然后根据括号内所给汉语意思写出单词的正确形式（每空一词）。

Lucy and Lily are both 1 (十三) years old. They are twins and they look the same. They came to

China from America two years ago with their 2 (父母). At first they studied in a 3 (初级的) school,

but now they are middle school students. Now they are both 4 (更高的) than two years ago. They

study very hard and are 5 (擅长…的) at all subjects. 6 (虽然) they are twins, they are different in

many ways. Lucy is an 7 (外向的) girl. She likes singing and dancing. But Lily is a little 8 (安静).

She likes reading and watching TV. I knew them when they came to China. We have a friendship of

two 9 (年) and we are very good friends now. They often say it's necessary to make friends. They

think a good friend always makes them 10 (忘记) the unhappy things.

1. _____ 2. _____ 3. _____ 4. _____ 5. _____

6. _____ 7. _____ 8. _____ 9. _____ 10. _____

单项选择题

潜伏期是指（　）

A．自病原体侵入机体至典型症状出现

B．自病原体侵入机体至排出体外

C．自病原体侵入机体至临床症状开始出现

D．自接触传染源至患者开始出现症状

E．自接触传染源至典型症状出现