试题与答案

下面哪种直接剪切试验仅在渗透系数小于10-6cm/s的细粒土中适用?() A.固结快

题型:多项选择题

题目:

下面哪种直接剪切试验仅在渗透系数小于10-6cm/s的细粒土中适用?()

A.固结快剪

B.慢剪

C.快剪

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B解析:AC、人造地球通讯卫星是地球同步卫星,相对地面是静止的,所以以地面卫星接收站为参考系,卫星是静止的;A正确BD、地球相对太阳是运动的,卫星相对地球时静止的,所以卫星以太阳为参考系是...

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题型:阅读理解

阅读理解。

1. Sydney Tower is            in Sydney, Australia. 

A. the busiest street  

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C. the most beautiful park  

D. the highest point

2. If you Want to book(预订) a ticket to Sydney Tower, you can' t              

A. email sydneytower@ hotmail, com            

B. fax 02 9333 920

C. search www. sydneytower. com. au            

D. dial 02 9333 9222

3. Frank wants to go to Sydney Tower with his two children, he will pay             .

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C. $120        

D.  $150

4. Last Saturday, Johnson went to visit Sydney Tower. He had to get down the tower      .  

A. after 11:30 pm  

B. before 11:30 pm    

C. at 10:30 pm    

D. by 10:30 pm

5. The passage, above is probably                      .

A. a piece of news  

B. a conversation    

C. a story    

D. an advertisement

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