转子流量计的安装应（）。

A、水平安装

B、垂直安装

C、倾斜安装

D、不需要考虑方向

句型转换(每空一词)。

1.Sally went to Lao She's Teahouse last night.(对画线部分提问)?

                Sally        o Lao She's Teahouse??

2.The man has to stay at home.(改为否定句)?

The man                      stay at home.?

3.The boy was reading English when the teacher came in.(对画线部分提问)?

                the boy        when the teacher came in??

4.She's put away her books,             ?(完成反意疑问句)?

5.Tom's mother taught him to read and write.(对画线部分提问)?

                Tom's mother        him              ?