简述灯具选择的基本原则。

阅读理解。

     Do you know Fei Junlong and Nie Haisheng? Fei Junlong was born in 1965. He is a Chinese astronaut

selected (选拔) as a member of the Shenzhou program. He was born in Jiangsu and joined the People's

Liberation Army Air Force (中国人民解放军空军) in 1982 at the age of 17. And since then he has only

returned home six times. As a fighter pilot (战机飞行员), he was selected to an astronaut in 1998.

      He married Wang Jie in 1991 and has one son. Nie Haisheng was born in September 1964. He is also

a Chinese astronaut selected for the Shenzhou program. He is from Hubei. After graduating from high school

he joined the People's Liberation Army Air Force, and became a fighter pilot. In 1998 he was selected for the

astronaut program.

     He was one of the three astronauts who were in the final group to train for the Shenzhou 5 fight. Yang

Liwei was also picked out for the flight, with Zhai Ahigang.

     On September 23, 2005 it was reported that Zhai and Nie would be one of the three pairs of astronauts

who would be in the final training for Shenzhou 6. But in the end, Fei and Nie were chosen, and Zhai missed

his chance to space again.

     Nie Haisheng got married to Nie Jielin and has an 11-year-old daughter.

1. When did Nie join the army?

A. In 1982.

B. In 1998.

C. In 1991.

D. After his graduation from high school.

2. Who among the astronauts in this passage hasn't been to saace?

A. Zhai Zhigang.

B. Nie Haisheng.

C. Yang Liwei.

D. Fei Junlong.

3. How many times has Fei Junlong returned home since he left at the age of 17?

A. Three times.

B. Four times.

C. Six times.

D. Eight times.

4. How many people did the writer mention in this passage?

A. 5.

B. 6.

C. 7.

D. 8.

5. Which of the following is TRUE according to this passage?

A. Yang Liwei was born in Jiangsu.

B. Nie Haisheng has an elever-year-old daughter.

C. Fei Junlong is one year older than Nie Haisheng.

D. Zhai Zhigang got married to Nie Jielin and has a son.

—Where can I get this medicine?

—At _______ chemist’s. It’s on sale everywhere.

A．any

B．each

C．some

D．certain

根据1982年《伦敦保险协会货物保险条款》的规定，在B险险种下，下列各项损失中，保险人可以不负赔偿责任的有：（）。

A.因保险标的物内在缺陷所引起的损失

B.因被保险标的物的包装不当造成的损失

C.因船不适航造成的损失

D.货物在船舶装卸时造成全损

E.因地震、雷电等不可抗力事故造成的损失

牛奶中的碳水化合物是（ ）

A．麦芽糖

B．蔗糖

C．乳糖

D．葡萄糖

为确保列尾装置的正常使用，需配置维修、（）、保养等附属设备。

A.检测

B.试验

C.屏蔽

D.使用