问题 单项选择题

在航天飞机上使用的制冷设备应用()原理制成的。

A.液体气化

B.气体膨胀

C.温差电

D.绝热去磁

答案

参考答案:C

填空题

阅读下则短文,然后在空白处写出适当的单词,单词首字母已给出。[有的词请注意词形的变化!]

    Young people are often unhappy when they are with their parents. They say that their parents don't

(1)u             them. They often think their parents are too strict (2)w             them. 

     Parents often find it difficult to win their (3)c             trust, and they seem to forget how they themselves

felt when they were young.

     For example, young people like to do things without much (4)t            . It's one of their ways to show

that they grow up and they can solve any difficult (5)p            . But older people always think (6)m             

than young people. Most of them plan things ahead and don't like their plans to be (7)c            , so when

you want your parents to let you do something, you will succeed easily if you ask before you really start

doing it.

    Young people often make their parents angry by the (8)c             they wear, the music they enjoy and

something else. But they don't mean to cause any trouble. They just want to be cut off (摆脱) from the old

people's world and they are (9)t             to make a new culture of their own. And if their parents don't like

their music or clothes or their ways of speech, the young people feel very sad. Sometimes instead of going

out with their parents, they just want to stay at home (10)a             and do what they like.

    If you plan to do something, you'd (11)b             win your parents over and get them to understand you,

if so, your parents will certainly let you do (12)w             you want to do.

选择题
[ ]

①在我们脚下,波浪浪轻轻吻着岩石,像朦胧欲睡似的。

②那又浓又翠的景色,简直是一幅清山绿水画。

③朱门酒肉臭,路有冻死骨。

④又只一拳,太阳上正着,却似做了一个全堂水路的道场。磬儿、钹儿、铙儿一齐响。

⑤说的是马克思主义,行的是自由主义;对人是马克思主义,对已是自由主义。

A.①②\③④\⑤ 

B.①\②④\③⑤  

C.①\②③\④⑤  

D.①②③\④⑤

查看答案