Unit 1 Art reading课时作业

Ⅰ.语法填空

　　1．Air, food and drink are necessary __________ (support) life.

　　[答案]　to support

　　2．You can save a lot if you buy things __________ quantity.

　　[答案]　in

　　3．An hour later, I woke up suddenly with the solution __________ (clear) in mind.

　　[答案]　clearly

　　4．At the age of thirty, Samuel became a professional astronomer and __________ (earn) an international reputation.

　　[答案]　earned

　　5．He tried to make __________ clear to his paretns that he didn't like the job at all.

　　[答案]　it

　　6．Whoever breaks the law won't escape __________ (punish)．

　　[答案]　being punished

　　7．If you find yourself trapped in the habit of complaining, you should simply try to convert it __________ positive feelings and stay optimistic.

　　[答案]　into

　　8．He met Rachel at her college __________ (graduate) ceremony in 2008, whom he was later to marry.

　　[答案]　graduation

Ⅱ.选词填空