题目内容

【题目】图幅相同的情况下,比例尺越大反映的实际范围就( )

A.越大 B.越小 C.不能确定 D.一样

【答案】B

【解析】

试题分析:比例尺就是图上距离比实际距离缩小的程度.计算公式是:图上距离÷实际距离比例尺.一般地说,地图的比例尺越大,范围越小,表示的内容就越详细.

解:图幅不变的情况下,比例尺越大,地图表示范围越小,表示内容越详细;比例尺越小,地图表示范围越大,表示内容越简单.

故选:B.

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【题目】D

The Coca Cola Company has an invention—the “PlantBottle”. It is partly made from plants and can be recycled (循环). It shows how businesses can help to deal with the problem of climate (气候) change.

Now the UK has a new light bulb that can last 25 years or more. It is green and environment-friendly (环保的), and as bright as the old light bulbs, but it costs£30.

Good news for swimmers. Do you want to talk to your friends under the water? Rich Stachowski invented this Water Talky at the age of 10. This invention can amplify (扩大) voices underwater for up to 15 feet.

If you sit in a chair for too long or in a bad position (姿势), your back may begin to hurt. Now there is a new chair that can help you avoid that. It was developed by German scientists. It makes noises to tell users when they need to move.

1Which of the following statements is TRUE about the “PlantBottle”?

A. The bottle is completely made of plants. B. It was a product of the Coca Cola Company.

C. It costs much money. D. People can’t recycle it.

2The new light bulb     .

A. is brighter than the old ones B. isn’t good for the environment

C. can last at least 25 years D. can last less than 25 years

3The Water Talky was invented by     .

A. German scientists B. a young child C. a UK company D. some swimmers

4What will happen if you sit in the chair for too long?

A. Your head will hurt. B. You will be very nervous.

C. The chair will move. D. The chair will warn you to move.

5All the four inventions have something to do with     .

A. daily life B. the climate C. making money D. the environment

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