下列关于消费型增值税的表述正确的是（ ）A．允许将购置的固定资产的已纳税金一次性全

阅读理解。

     Many People have to work on the weekend. Some people do not mind. Other people think it is

terrible.One man thinks that working on the weekend can be dangerous. He is Graham Coates. Mr

Coates worked in an office in Brighton , England.

    On Saturday, May 24 , 1986 , he went to the office to do some work. When he got in the elevator to

go home, it stopped between floors. Mr Coates could not get out of the elevator. He was trapped

(困住了)! He started to shout,but no one heard him. Then Mr Coates remembered  that it was a holiday

in England. No one was going to come to work until Tuesday !

    There was nothing for Mr Coates to do. He had to wait until one of his coworkers came to work

and found him. With nothing to eat or drink, Mr Coates ended up sleeping for most of the time.

    Early on Tuesday morning, the vice-president of the company came into work and found the

elevator was not working. When the elevator was opened,  Mr Coates came out cold,weak,and tired.

He had been in the elevator for sixty-two hours !

    Now Mr Coates says, "I only use elevators if they have telephones in them. "

1. Mr Coates could not get out of the elevator because         .

A. it was broken

B. it was a weekend

C. it was a holiday

D. it stopped on a wrong floor

2. How long did he stay in the elevator?

A. Twenty-four hours.

B. From Saturday to Monday.

C. More than sixty hours.

D. From Tuesday to Saturday.

3.What did he do in the elevator most of the time?

A. Shouted and screamed.

B. Slept and waited.

C. Telephoned his boss.

D. Ate and drank

4.How did he make his way out in the end?

A. The vice-president found him .

B. Someone opened the elevator.

C. The elevator began to work on Tuesday.

D. He found a door in the elevator.

5. What is the best title for this story?

A. An Interesting Elevator

B. A Busy Weekend

C. Elevator Safety

D. Trapped in an Elevator

定时散射比浊分析采用的是（）

A.免疫扩散反应与散射比浊分析相结合的技术

B.免疫吸附反应与散射比浊分析相结合的技术

C.免疫沉淀反应与散射比浊分析相结合的技术

D.区带免疫分析与散射比浊分析相结合的技术

E.对流免疫扩散反应与散射比浊分析相结合的技术

风湿性心脏病二尖瓣狭窄患者，出现右心衰竭，下列哪项临床表现将减轻（）.

A.下肢水肿

B.第一心音

C.颈静脉怒张

D.心尖区舒张期隆隆样杂音

E.呼吸困难

下列单位中，属于地带性单位的是：（）

A.自然地带

B.自然地区

C.综合带

D.自然州