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问题 单项选择题

对于受冲切构件的验证性试验，当出现下列（）标志时，即应判断该试件已达到承载能力极限状态。

A.受拉主筋处裂缝宽度达到1.5mm或钢筋应变达到0.01

B.沿冲切锥面顶、底的环状裂缝

C.构件的受拉主筋断裂

D.受压构件的混凝土受压破碎、压溃

答案

参考答案：B

阅读理解

任务型阅读： 阅读下列短文，按要求完成下列各题。

    My name is Jack. I am twelve years old. I have many friends. Lots of them are my age. My best friend

is Ben. He is one year older than me. He lives near me. We go to the same (相同的) school. Ben and I are in

Class One. The others are in Class Two. Ben helps me with my maths homework because he is clever

at it. I help him with his English because I am good at it.

    Ben is 1.65 metres tall and I am 1.60 metres tall. Ben is fat because he doesn't like sports. We have black

hair and brown eyes, but Ben's hair is longer than mine. Every day, I, and, like sports, exercise. Every

evening we play computer games. Ben usually wins.

1. How old are lots of Jack's friends? (回答问题)

                                                                                                                         

2. Which class is Jack in? (回答问题)

                                                                                                                         

3. 根据短文内容填词：Jack and Ben often help                     with their lessons.

                                                                                                                         

4. 将第一处画线部分译成汉语：

                                                                                                                         

5. 将第二处画线部分组成正确的句子： 

                                                                                                                         
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问答题 简答题

IA-32处理器有哪三类基本段，各是什么用途？
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