情景选择。

1. 你这样介绍自己的妹妹：[ ]

A. This is my sister.

B. This is my new friend Lily.

2. 想知道有多少只鸟，你问：[ ]

A. How many books do you have?

B. How many birds can you see?

3. 向别人问你不认识的女人：[ ]

A. Who's that man?

B. Who's that woman?

4. 教师节向你老师说什么：[ ]

A. Happy Teacher's Day.

B. Happy Woman's Day.

5. 询问别人来自哪里应该说：[ ]

A. What are you from?

B. Where are you from?

6. 找不到你的钢笔，应该问：[ ]

A. Where's my pen?

B. Is this my pen?

7. 打扰别人时，应该说：[ ]

A. I'm sorry.

B. Excuse me.

由于观念上的差异，长期以来，房地产开发商和市民往往更多地关注房屋的套型和室内装潢，而对墙体和屋面的保温性能关注不多，不少地方节能型房屋的推广进展缓慢。这告诉我们（　　）

A．新事物的成长壮大一般要经历一个艰难曲折的过程

B．应注意抓主要矛盾

C．量变是质变的前提和必要准备

D．一切事物都是变化发展的