某铁路路基位于地面积水区，地面积水深度为0.2m，路基填料毛隙水

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问题单项选择题

某铁路路基位于地面积水区，地面积水深度为0.2m，路基填料毛隙水强烈上升高度为1.2m，该段路基高度不宜小于（）。

A.0.7m

B.1.4m

C.1.7m

D.1.9m

答案

参考答案：D

听力题

单词拼写：用所学的单词完成句子意思，单词首字母或中文意思已给出（10分）。

小题1:F_________ is the mother of success.

小题2:They are w_________ to each other; obviously they don’t want to be heard by others.

小题3:It has been reported that in the United States that many environment— protecting (协会) have been formed.

小题4:The doctor d_________ three babies every day on average at that time

小题5:China’s sending a person into space is a great a_____________.

小题6:The bar seemed to him to be full of people and he felt that the people were observing him .(好奇地)

小题7:If you want to learn a foreign language well, you should o__________ many difficulties.

小题8:You can e___________ your ideas with your classmates when you’re discussing.

小题9:They go into the church, (打招呼) everyone they meet.

小题10:I was filled with (怒火) when I saw him kicking the dog.

单项选择题

有以下程序：
main()
int k=5, n=0;
while(k＞0);
switch(k)
default; break;
case 1:n+=k;
case 2;
case 3:n+=k;

k--;

printf("% d\n", n);

程序运行后的输出结果是______。

A．0

B．4

C．6

D．7