—Whydoyouwanttobea______, Sam? —Because_

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问题选择题

—Why do you want to be a ______, Sam?

—Because ______. [ ]

A. policeman; I like reading

B. teacher; it's dangerous

C. waiter; it's difficult

D. reporter; I can meet interesting people every day

答案

答案：D

选择题

( ) 1.	A. My sister is a student. B. She is my mother.
( ) 2.	A. John's brother likes sports. B. John's mother likes sports.

单项选择题

惰性气体中氩气在空气中的比例最多，按体积约占空气的（）

A.2.0%

B.1.6%

C.0.93%

D.0.78%