书面表达。 假如你是Hope Middle school的一名学生，请你用英语写

While I ___________ TV, the bell rang.

A．watch

B．watched

C．am watching

D．was watching

p内酰胺类（）。

A.抑制细菌细胞壁合成

B.抑制细菌蛋白质合成

C.抑制细菌DNA依赖的RNA多聚酶

D.抑制细菌二氢叶酸还原酶

E.抑制细菌DNA合成

下列哪个方面不属于非口头语言交流的跨文化差异（）.

A.直接与婉转

B.语音语调

C.目光的接触

D.空间距离

免疫细胞

Questions 14-23

·Look at the ten statements for this part.
·You will hear a story about communication through time.
·Decide whetheryou think each statement is right(R) wrong(W) or not mentioned(NM).
·You will listen to it twice.
·Markyour answers on the Answer Sheet.

In the U.S., it is customary to telephone friends and acquaintances during the early hours of the morning.

A. Right

B. Wrong

C. Not Mentioned