It is interesting how NASA(美國航天航空局) chose their astronauts for landing them on the moon. They chose men   36  the ages of twenty and thirty-five. There were about fifty of them. Some were   37  air pilots, and  38  were scientists with two or three degrees. NASA telephoned each man they were going to choose, told him the plans and the   39  they might get into. They then asked him if he was willing to be trained as an astronaut, “How could any man   40  such an exciting job?” One of them said, “Dangerous? Of course. It’s dangerous   41  most exciting.”
The health and physical condition of the people was,  42 , very necessary. Only those in very good health and physical condition were   43 .
While being trained to be astronauts, they went through many   44 . They studied the star and the moon, and they also studied geology, the science of rocks. This was necessary   45  astronauts would have to look for rocks on the moon. They would try to find rocks which might help to tell the   46  of the moon. They were all   47  to fly in helicopters. There helicopters landed straight down to give them some   48  of the way the spaceship would actually land on the   49 . They were also taught the known facts about the   50  in space. They learnt about all the scientists and engineers who   51  spaceships. They visited the   52 where spaceships were repaired. They learnt how every   53  of a spaceship and its instruments work. They also learnt every detail of ground-control   54 .
In a word, to be chosen as astronaut, one must be in good   55 , well-informed in science and good at piloting.

【小題1】
A．a(chǎn)tB．betweenC．ofD．on
【小題2】
A．experiencedB．oldC．handsomeD．retired
【小題3】
A．noneB．fewC．othersD．both
【小題4】
A．dangersB．sadnessC．realityD．protection
【小題5】
A．shareB．treatC．offerD．refuse
【小題6】
A．butB．ifC．thoughD．when
【小題7】
A．in allB．of courseC．so farD．a(chǎn)t last
【小題8】
A．noticedB．chosenC．praisedD．examined
【小題9】
A．jobsB．placesC．coursesD．ways
【小題10】
A．soB．because C．a(chǎn)s ifD．even though
【小題11】
A．sizeB．sceneC．a(chǎn)geD．name
【小題12】
A．shownB．trainedC．toldD．a(chǎn)llowed
【小題13】
A．a(chǎn)dviceB．experienceC．surpriseD．thought
【小題14】
A．waterB．rockC．moonD．earth
【小題15】
A．secretsB．traditionsC．theoriesD．conditions
【小題16】
A．drewB．developedC．designedD．discovered
【小題17】
A．officesB．shopsC．collegesD．factories
【小題18】
A．partB．movementC．stepD．body
【小題19】
A．methodB．difficultyC．systemD．trick
【小題20】
A．shapeB．positionC．orderD．health


【小題1】B
【小題1】A
【小題1】C
【小題1】A
【小題1】D
【小題1】A
【小題1】B
【小題1】B
【小題1】C
【小題1】B
【小題1】C
【小題1】B
【小題1】B
【小題1】C
【小題1】D
【小題1】C
【小題1】D
【小題1】A
【小題1】C
【小題1】D

解析

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