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【单选题】
在Java语言中,下列哪些语句关于内存回收的说明是正确的?A.
内存回收程序允许程序员直接释放内存
B.
内存回收程序负责释放无用内存
C.
内存回收程序可以在指定的时间释放内存对象
D.
程序员必须创建一个线释放内存
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举一反三
【单选题】—Do you know _____? —Sorry, I don’t know.
A.
what’s the population of Japan
B.
what the population of France is
C.
how much of the population of Japan is
D.
how many is the population of France
【简答题】把实验结果截图及小结放在一个word文档中,文件名为“姓名+第三次实验结果”,对没有电脑的同学则需把手写的电路图和程序拍照,作为附件来回答本简答题。
【单选题】Population will be redistributed as a result of ______.
A.
the metropolitan strategy
B.
the frontier strategy
C.
neither the frontier strategy nor the metropolitan strategy
D.
both the frontier strategy and the metropolitan strategy
【简答题】听力原文： The rapid growth of population will put heavy pressure on public health, fresh water, medical care, food supply, housing, transportation and employment, and also bring about some vicious s...
【多选题】穿西装时上衣纽扣的系法讲究最多。通常，系西装上衣纽扣时，
A.
单排两粒纽扣，只系上边那粒。
B.
单排三粒纽扣的可以只系中间的或上面两粒扣子。
C.
双排扣西装要求把所有能系的纽扣全部系上。
D.
西装马甲只能和单排扣西装上衣配套。
【单选题】He found it difficult t o____ the fact that the ship was lost in a h e avy sto r m.
A.
receive
B.
keep
C.
obtain
D.
accept
【单选题】Which of the following sentences expresses a fact?
A.
He is a nice man, I suppose.
B.
I hope he can feel better soon.
C.
He must be playing football now.
D.
She is such a beautiful girl that we are all attracted by her.
【简答题】As my friend was passing some elephants，he suddenly stopped．He was confused by the fact that these huge animals were being held by nothing but a small rope．The rope was tied to their front legs． It wa...
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