与Al布线相比，Cu布线有何优点？

农民工的市民化过程是借助于工业化和城镇化的推动力量，让生活在农村的广大农民向城市市民转化的过程。但农民工与城市主流社会、文化相疏离，形成农民工的“文化孤岛”。要解决农民工的“文化孤岛”，必须：（     ）

A．大力发展公益性文化事业

B．遵循各民族文化一律平等原则

C．用城市文化改变农村文化

D．大力弘扬社会主义核心价值观

---_________________

---I have a headache.

A．What wrong with you?

B．How is it?

C．What’s the matter?

D．What’s your question?

用适当的英语解释下列句子：

1. What is your sister?

_____________________________________________________________________

2. Hurry up, or you will be late.

_____________________________________________________________________

3. The girl heard from her new pen friend yesterday.

_____________________________________________________________________

4. He joined the League five months ago.

_____________________________________________________________________

5. Our class consists of 43 students.

_____________________________________________________________________

6. He stopped driving his car, but rode a bike instead.

_____________________________________________________________________

7. He apologized to me for being rude.

_____________________________________________________________________

8. We should save the boy's life at all costs.

_____________________________________________________________________

9. I am afraid Mr. Wang is not available at the moment.

_____________________________________________________________________

10. He drove so carelessly. As a result, he knocked into the tree by the road. (because of )

计算机与Internet网络连接有四种方式，它们分别是：电话方式、主机方式、______ 和 ______ 。

地球能够孕育生命的条件不包括（）

A.充足的水分

B.恰到好处的大气层

C.适宜的太阳光照和温度范围

D.地面由岩石组成