Question

Though ____ the dangers of smoking to their health, smokers still find it hard to give up smoking.

A．a(chǎn)ware

B．a(chǎn)ware of

C．a(chǎn)re aware of

D．be aware of

Answer 1

B

試題分析：考查狀語(yǔ)從句的省略：句意：雖然很多經(jīng)常吸煙的人已經(jīng)意識(shí)到抽煙對(duì)他們健康造成了很嚴(yán)重的后果，但是他們?nèi)匀话l(fā)現(xiàn)很難戒煙。Though引導(dǎo)的讓步狀語(yǔ)從句是省略句，完整的句子是：though smokers are aware of the dangers of smoking to their health。當(dāng)主從句的主語(yǔ)一致的時(shí)候，可以省略從句的主語(yǔ)和be動(dòng)詞，選B。