同一工程中的导线，应根据不同用途选择不同颜色加以区分，电源线正极应为（）。 A.红色

Peter, you should leave the light          when you’re out.

A．off

B．closed

C．on

D．open

根据句意及首字母提示，填写单词。

1. Madam, please p_______ your car over there.

2. Can I t________ you to shut the door, Peter?

3. His d________ request made the girl very embarrassed.

4. Eating too much sugar can l________ to health problems.

5. I left my dictionary at home this morning. Could you l_______ yours to me?

高句丽

肩关节周围炎的病名很多，以下哪个不是？（）

A.漏肩风

B.露肩风

C.肩凝风

D.肩痹

E.肩凝症

经常与阿莫西林配伍（）

A.青霉素

B.头孢他啶

C.氨苄西林

D.头孢曲松

E.克拉维酸