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作业2--android布局文件.doc 作业在上述word文档里面,请下载,在word文档里面的要求完成作业。
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【单选题】There is no doubt that we are living in a period of enormous population growth. In the past, it (51) thousands of years for the world's population to double in size. (52) today there are more people h...
A.
spent
B.
cost
C.
took
D.
consumed
【简答题】请写出 BOOL flag 与“零值”比较的 if 语句: 请写出 float x 与“零值”比较的 if 语句: 请写出 char *p 与“零值”比较的 if 语句:
【单选题】My hobby is _____ all kinds of coins. [ ]
A.
to collect
B.
collecting
C.
to pick up
D.
picking up
【单选题】There is no doubt that we are living in a period of enormous population growth. In the past, it(51)thousands of years for the world's population to double in size.(52)today there are more people havin...
A.
spent
B.
cost
C.
took
D.
consumed
【单选题】Living in a highly ___ society, you definitely have to arm yourself with as much knowledge as possible.
A.
favorable
B.
permanent
C.
tolerant
D.
competitive
【简答题】请写出if语句的几种形式?
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