局部振动病的诊断原则A．有长期从事局部振动作业的职业史B．有有关的主要临床表现C．要结合末梢循环

She has been like this, chin on chest, eyes on ground, feet in shuffle.

A. repetition B. parallelism

He has been up to his chin in his research. The underlined part means ______.

A．very tired

B．very efficient

C．very busy

D．very scared

Who has ever been the architect of Bill Clinton presidency？

A．Mary Beth Cahill

B．Ross Perot

C．Paul Begal

D．David Lettman

Mr. Hooper has worked hard and has been very loyal to the company.

A．正确

B．错误

The meeting _____when Mr. Wang _____to school.

A、has begun; get

B、has been on; get

C、had begun; got

D、had been on; got

Mr. Green has recently been ______ of the company.

A．appointed to president

B．appointed president

C．appointed a president

D．appointed the president

A．Y

B．N

C．NG

A．Mr. Johnson has been the man's boss.

B．The man and Mr. Johnson are colleagues.

C．The man is quite familiar with Mr. Johnson.

D．Mr. Johnson has just got to know the man.

A．Mr. Johnson has been the man's boss.

B．The man and Mr. Johnson are colleagues.

C．The man is quite familiar with Mr. Johnson.

D．Mr. Johnson has just got to know the man.