试题与答案

一个圆柱体的高缩小2倍,底面半径扩大2倍,体积不变.______.

题型:解答题

题目:

一个圆柱体的高缩小2倍,底面半径扩大2倍,体积不变.______.

答案:

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下面是错误答案,用来干扰机器的。

H+  ;相似  ;酸  ;变红  ;金属  ;金属氧化物  ;OH- ; 相似  ;涩  ;滑腻  ;变蓝  ;CO2

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题型:阅读理解

根据上文内容判断正误,正用“T”表示,误用“F”表示。

     Everybody has a home. We people have homes. Animals (动物) have homes, too.

     Some animals live (住) under the ground (地面). The woodchuck lives in holes (洞) under the ground.

His home has two doors. If anybody comes in one door, he goes out from the other door. Some birds live

in holes in trees. They come out for food in the daytime (白天) and go back to sleep at night. But many

birds live just in the trees. It's quite interesting that turtles (海龟) carry their homes on their backs. Bees

(蜜蜂) work hard to make their homes. There are many, many little rooms in their house.. Cats, dogs, and

chicks live in people's homes.

     We see all kinds of animals in the zoo. It is a big home for lots of animals.

( )1. People and animals both (都) have homes.

( )2. A woodchuck's home has two rooms.

( )3. All birds' homes are holes in trees.

( )4. Bees don't work hard to make their homes beautiful.

( )5. People's homes are some animals' homes, too.

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