人民军队建设的根本原则是A．党指挥枪，坚持党对军队的绝对领导 B．全心全意为人民服务

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     If you watch the sky about an hour after the sun goes down, you may see some "movingstars". But

they're not real stars. They are man-made satellites. And the biggest of all is the International Space

Station ( ISS国际空间站).

     From now until July is the best season to watch the ISS flying over the earth, and people can see it

just with their eyes. The ISS is the biggest man-made satellite because scientists want to live on it. They

think that the best way to learn more about space is to live there.

     When the space station is finished, it will be like a city in space. People will stay and study there with

many of the things they have at home. Laboratories, living rooms and power stations are being built. The

ISS is the most ambitious(雄心勃勃) and expensive space program ever.

     Billions of dollars are being spent on it every year.

     Scientists hope that the ISS will be a stepping-stone (垫脚石) for future space exploration.

     "The ISS will help us better understand the human body, explore space and study the earth. It can

help us make life on the earth better," said Kathryn Clark, an ISS scientist.

     China is not an ISS country, but it has helped with some of the experiments. China sent some rice up

to the ISS to find out what space would do to it.

     The ISS is not finished yet. More than 100 parts need to be put on. Scientists hope it will be finished

as soon as possible. After it's finished, more than 90% of the world's population will be able to see the

Space Station. So keep looking up, and maybe you'll see it get bigger.

1. The ISS is          .

A. a world power station                

B. a man-made satellite

C. an outer space moving star           

D. a stepping-stone to the sun

2. You can watch the International Space Station with your eyes          .

A. an hour before sunset            

B. while flying on the earth

C. in a special room              

D. from now till July

3. The ISS is in fact regarded as          for space exploration.

A. a laboratory        

B. a city      

C. a living room     

D. a museum

4. The passage tells us that            .

A. China belongs to the ISS

B. to build the ISS will cost less in the future

C. China did some research on wheat through the ISS

D. the best way to learn more about space is to live on the ISS

一组数据中的每一个数据都减去80，得一组新数据，若求得新数据的平均数是1.2，方差是4.4，则原来数据的平均数和方差分别是(   )

A．81.2,4.4

B．78.8,4.4

C．81.2,84.4

D．78.8,75.6

某中学篮球课上,体育老师组织甲乙丙丁四名学生进行传球示范训练,要求每人接球后再传给别的学生,且规定甲发球为第一次传球人,传球共五次.那么第五次传球后,球又传到甲手中的概率    

28岁，初产头浮，现已38周临产， * * 突然大量流出清亮液体。检查：胎心100～130次/分，快慢不均， * * 检查宫口开大1cm，胎膜破，头先露s-3，先露旁可及脐带，此时的处理()
28岁，孕38周，G1P0，胎膜早破20小时，已临产，宫口开大3cm，s-1。此时病人寒战，查T38.2℃，BP17.33/10.67kPa(130/80mmHg)，P112次/分. * * 流出羊水混浊有粪臭味，FHR156次/分，急查WBC+DC：WBC19×10/L，中性86%。此时处理()
27岁，孕39周，因胎膜早破14小时入院。查体：BP17.33/10.67kPa(130/80mmHg)，P80次/分，T36.8℃，头先露已入盆LOA，FHR140次/分，羊水清、无味。宫缩：无/15分钟。此时处理()

A．预防性应用抗生素，同时用缩宫素静点引产

B．立即剖宫产，术中及术后应用抗生素

C．可抗感染同时经 * * 分娩

D．立即剖宫产

E．吸氧，侧卧位，静推二联

下图示神经元局部模式图。当人体内兴奋流经该神经元时，在神经纤维膜内外的电流方向是（）

A.都是由左向右

B.都是由右向左

C.膜内由左向右，膜外由右向左

D.膜内由右向左，膜外由左向右