钢丝绳末端用绳夹固定，一般绳夹间距最小为钢丝绳直径的（）倍。A.4 B.6 C.8

阅读理解。

     Mount Qomolangma is the highest mountain in the world. It is in the Himalayan (喜玛拉雅) Mountains

between Nepal (尼泊尔) and China, and it is 8900 meters high. Sir Edmund Hillary from New Zealand and

Tenzing Norgay from Nepal were the first people ever to climb Mount Everest in 1953. Men from several

different countries climbed it after that.

     Junko Tabei, a Japanese was the first woman to make this difficult climb. A Japanese newspaper-television

company chose the fifteen women from mountaineering clubs to climb Mourn Qomolangma in 1975. The

group climbed for several days. Then there was an accident. The heavy ice and snow hurt ten of the women.

They had to stop climbing. The other five went on climbing.

     Only Ms. Tabei was able to climb the last 70 meters. She was standing on the top of the world. She was

the first woman there. Ms Tabei was 35 years old at the time. She started climbing mountains in 1960. She

still climbs mountains. She is not an ordinary Japanese housewife. Ms. Tabei makes money for her trips by

teaching English and piano to children. She climbs a mountain about every three years. She has climbed some

of the highest mountains in six countries. Finally, she wants to climb the highest mountain in every country in

the world. When she reaches the top of a mountain, she thinks, "I'm glad that I'm at the top."

1. Mount Qomolangma is ______. [ ]

A. an ordinary mountain

B. the highest mountain in the world

C. in the southwest of China

D. close to Nepal

2. The climber from New Zealand first climbed Mount Qomolangma in ______. [ ]

A. 1975

B. 1960

C. 1935

D. 1953

3. What happened to ten of the women climbers on the way to the top of Mount Qomolangma? [ ]

A. They were too tired to climb to it.

B. There was no air for them.

C. The heavy snow stopped them.

D. They were hurt by heavy ice and snow.

4. How many women climbed up to Mount Qomolangma in 1975? [ ]

A. One.

B. Five.

C. Ten.

D. Fifteen.

5. What kind of person is Ms, Tabei? [ ]

A. She's a housewife who has climbed many high mountains in the world.

B. She teaches children English and piano to make money.

C. She's a usual housewife who helps a lot at home.

D. She climbed the highest mountain in the world many times.

反射界面埋藏越深,记录点与反射点位置偏移越大.

云贵高原地区为湿润地区，但又是干旱频发区，试从地形、地势方面解释其原因。

违反《安全生产许可证条例》规定，未取得安全生产许可证擅自进行生产的，责令停止生产，没收违法所得，并处1万元以上5万元以下罚款。

1911年，泰罗出版了他的管理学专著（）阐述了科学管理的理论基础。

A.《科学管理原理》

B.《一般管理理论》

C.《管理学基础》

D.《工业管理和一般管理》