食物在厨房由厨师按客人人数分别装盘，每人一份，服务员直接端给客人的西餐服务是（）。

句式转换。

1. The water is too deep. I couldn't see its bottom. (用hardly改为同义句 )  

    The water is too deep. I________ ________ see its bottom.

2. I can't go to play football with you. I'm afraid. (合为一个句子) 

    I'm afraid________ _______ ________go to play football with you.

3.When had you bought a new cell phone? She didn't know. (合为一个句子)

    She didn't know________ ________ ________ _________a new cell phone.

4. Do you like to watch the horror movies?  She asked me.(合为一个句子)

    She asked me______ _______ _______to watch the horror movies.

5. I believe that Class Two can't win the race. (改为肯定句)

    I believe that Class Two________ ________the race.

合成氨生产工艺中，怎样选择排放惰性气体位置？

认沽权证从性质上讲属于看跌期权。( )

在我国规定额定制冷两小于2．5kW的分体式家用空调器的能效比不能低于（）。

患者，女，43岁。风湿性心脏病史10余年，二尖瓣狭窄，心功能Ⅰ级。口内有右下侧切牙、右下第一磨牙、左下侧切牙及左下第一磨牙残根，Ⅰ度松动需要拔除。

此类致病菌对以下哪种抗生素高度敏感（）

A.甲硝唑

B.青霉素

C.链霉素

D.头孢菌素

E.庆大霉素