在软件系统中，文字处理软件属于（） A.应用软件 B.工具软件 C.系统软件 D.数

阅读理解。

     In 2000, at the age of 56, Jeff was going to take a difficult and dangerous journey in the Arctic. He

was planning to walk to the North Pole all by himself, pulling his food, tent andother things behind him

in two sledges (雪橇). Because the Arctic is covered with ice andwater, he would sometimes have to

sit on his sledges and use them like a boat.

     Jeff was seven days into his journey in the Arctic. It was dark and terribly cold ( -35℃ ).In face of

this terribly low temperature, he had made good progress across the ice. Suddenly, ithe ice was broken

and one of his sledges fell into the sea. Jeff needed to get it back, so he hadto put his hand into the

ice-covered water.

     Once he had got the sledge back, Jeff put up his tent, lit a fire and tried to warm up hiscold hand. It

was no help--his hand was seriously hurt as it had been in the cold for so long.He radioed for help, and

an airplane was sent to save him. Finally, he arrived at a hospital inCanada. The doctors there said he

hurt his left hand in the icy water. They saved his hand andadvised him not to travel to the North Pole

any more.  But Jeff was an explorer and nobody could change his mind. It would be yet another long

and difficult battle for Jeff soon.

1. Jeff was planning to walk to the North Pole all by himself in

A. 1970        

B. 1972  

C. 1998        

D. 2000

2. After one of his sledges fell into the sea, what did Jeff do first?

A. He put his hand into the water.  

B. He lit a fire near the tent.

C. He warmed up his hand.      

D. He put up his tent.

3. What can we infer (推断) from the last sentence of the article?

A. Jeff would practice more for the next journey.

B. Jeff would explore another part of the Arctic.

C. Jeff would try his best to realize his wish.

D. Jeff would refuse to take any advice.

具有补肾助阳、祛风除湿功效的药物是（）

A.巴戟天

B.肉苁蓉

C.郁李仁

D.桑寄生

E.当归

润滑油的粘度随着温度的升高而（）同时也随着压力的增高而（）。

钢筋绑扎检验批质量检验，受力钢筋间距允许偏差为( )mm。

A．±20

B．±15

C．±10

D．±5

水资源（）不是能够无限供给的，可持续发展的（）应当是建立污水回收系统，循环利用。多数城市的污水处理率还较低，污水处理费仅是自来水水费的一半左右，而仅凭（）我们就能判断，使污水重新进入城市水源循环的费用一定比采集清洁水的费用高得多填人括号部分最恰当的一项是（）。

A.自然；目标；想象

B.既然；途径；观察

C.显然；思路；直觉

D.当然；基础；常识