某施工单位承接某办公楼工程，总建筑面积19 800m2，地上18层，

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问题单项选择题

某施工单位承接某办公楼工程，总建筑面积19 800m²，地上18层，地下 1层，基础为桩基筏式承台板，结构形式为现浇剪力墙结构，混凝土采用商品混凝土，强度等级有C25、C30级，钢筋采用HPB235级、HRB335级。

普通混凝土划分（）等级，最高等级为（）。

A．12，C60

B．13，C80

C．14，C80

D．13，C60

答案

参考答案：C

听力题

第二卷

第四部分写作（共三节，满分45分）

单词拼写 (共10小题, 每小题1分, 满分10分)

1. Mr. Golspie and I have come to a new___________（安排）.

2. Rio de Janeiro ____________(伸展) itself lazily along the coast of the Atlantic Ocean.

3. I was invited to go to a wedding ___________ (盛宴) last weekend.

4. The police ___________(逮捕) Rosa Parks, who refused to give her seat to a white man.

5. He looked at the gold with __________ (贪婪的) eyes.

6. They’d had an argument and she was still __________ (心烦的) about it.

7. People were afraid of taking ___________ (精神上的) tests.

8. He is in good ______________(身体的) condition..

9. This is a science __________ (小说).

10. The manager received a number of ___________(抱怨) from customers about the lack

of parking lots.

问答题

试述直肠癌的声像图特点。