稳态激振机械阻抗法测桩，是在桩顶用电磁激振器激振其激振力的振动频率为（）。A、200

Do you want these ________ those?[ ]

A. and              

B. or        

C. but

选择与下列各题中画线部分意思相同或相近的选项。

1. Marica called him three times yesterday,but nobody answered.

A. visited

B. told

C. phoned

2. My cousin gave up the chance of working abroad and returned to his hometown.

A. opportunity

B. challenge

C. experience

3. He finds watching English movies frustrating because the people speak too quickly.

A. boring

B. difficult

C. disappointing

4. Don't blame your friends. Actually they don't know the truth,either.

A. In all

B. In fact

C. In general

5. The child nearly used up all his pocket money.

A. ran out of

B. kept out of

C. got out of

按照播放方式，手机电视可以分为（）

A.点播类

B.直播类

C.下载类

20世纪二三十年代，形成了一种独具上海地方特色的说唱形式（），一般以小锣或三巧板伴奏，常用"锣先锋"、"三巧赋"等曲调，很多艺人一边说唱一边推销梨膏糖。

A.滑稽戏

B.相声

C.小热昏

D.独脚戏

管理单位存放的武器、弹药和军械装具，严格执行安全规定是（）职责。

A、运输军械科科长

B、军械助理员

C、军械员

D、后勤处