蒸汽品质标准各项目的，意义是什么？

阅读理解。

    As we all know, the Moon is the moon (卫星) of Earth, and it goes around the earth. Scientists have already

known a lot about it, (A) but they've always wanted to know more about it. And they decided to send men to

the Moon. They think it's the best way to learn more about the moon.

    But how do the astronauts (宇航员) get to the moon? The moon is about 384,000 kilometres away from the

earth. They can't take a plane to the Moon. But something can fly even when there is no air. That is a manned

spacecraft (载人宇宙飞船). Several astronauts have been to the Moon in the manned spacecraft.

1. "it" in sentence A refers to (指得是) _____. [ ]

A. the planets

B. the Moon

C. the sky

D. the star

2. The Moon is _____ away from the earth. [ ]

A. over 384,000 kilometers

B. only 384,000 kilometers

C. about 384,000 kilometers

D. about 348,000 kilometers

3. The best way to learn more about the Moon is to _____. [ ]

A. send men there

B. take photos of it

C. live on it

D. find another moon

4. The astronauts have been to the moon in the _____. [ ]

A. plane

B. manned spacecraft

C. space station

D. air

5. The best title (题目) for this passage is _____. [ ]

A. The Moon

B. The exploration (探索) of the Moon

C. Men to the Moon

D. The manned spacecraft

快乐的人要比忧愁的人更容易恢复健康。这说明[ ]

A．忧愁的人得不到很好的治疗

B．快乐的人身体素质好

C．积极的情绪对人没有任何益处

D．积极的情绪对健康有益

某县公安局以抢劫罪将童某刑事拘留，县检察院批准逮捕并提起公诉，县人民法院认定该罪成立并判处童某有期徒刑5年，童某提出上诉，市中级人民法院认为原判事实不清、证据不足，发回原审人民法院重审。原审人民法院经审理退回县人民检察院补充侦查。县人民检察院经补充侦查后，认为童某构成犯罪证据不足，遂作出不起诉的决定。现童某申请刑事赔偿，哪一机关为赔偿义务机关( )

A．县人民检察院与县人民法院

B．县人民检察院

C．县人民法院

D．县公安局

启动抽油机后应用（）分别测三项电流是否平衡。

A、电流表

B、钳形电流表

C、万用表

D、兆欧表

加热闪蒸法与负压稳定法不同之处加热闪蒸法是在（）条件下操作。

A.微正压和较低温度

B.微负压和较高温度

C.微负压和较低温度

D.微正压和较高温度