根据所给中文或单词填出其正确形式。

1. She is very tall and ________ (苗条).

2. Millie goes to the Reading Club _________ (两次) a month.

3. — Excuse me, may I ________(借) your bike? — Of course, here you are.

4. There are two ________ (图书馆) in our school.

5. We wear________ (特殊的) costumes with masks.

6. ________ (周四) is the fifth day of a week.

7. She likes ________ (聊天) with her friends on the Internet.

8.This _______ (问题) is easy to answer.

9. The music _______ (听起来) great.

10.There are many __________ (餐馆) in our town.

在宽度小于3m的内走道顶层上设置探测器时，探测器至墙壁梁边的水平距离不应小于 ( )m。

A．2
B．1.5
C．1
D．0.5