题目内容

The author's chief argument against high heels is that ______.

A. they pose a threat to lawns
B. they are injurious to women's health
C. they don't necessarily make women beautiful
D. they are ineffective as a weapon of defense

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The passage tells us that proof of life on Mars would ______.

A. make clear the complex chemistry in the development of life
B. confirm the suggestion that bacterial fossils travelled to Earth on a meteorite
C. reveal the kind of conditions under which life originates
D. provide an explanation why life is common in the universe

当PC机I/O 扩充槽送出检查出错信号时,一般向CPU发出( )请求处理。

A. 可屏幕中断(INT信号
B. 不可屏蔽中断(MN信号
C. 软件中断
D. 停机信号

将二进制数101101101.111101转换成十六进制数为( )。

A. 16F8
B. 16F4
C. 16F5
D. 16F3

At present, a probable inducement for countries to initiate large-scale space ventures is ______.

A. international cooperation
B. nationalistic reasons
C. scientific research
D. long-term profits

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