Whales live in the ocean, but they are not fish. They are warm-blooded mammals and must have air to breathe. The babies are born alive and drink milk from the mother's body. It took millions of years for the whale to develop as it is today.
Every spring groups of whales swim hundreds of kilometers to warm places to bear their young. Each group goes to the same place every year. The mothers take very good care of their babies. The fully grown whales are very gentle and playful with each other, and with humans. They “talk” to each other with a high noise that sounds beautiful. This“talking” can be heard for more than 300 kilometers in open waters.
Yet humans kill over a hundred whales a day. They kill them to make whale oils and a lot of other things. Killing them is a modern business with modern machines and even harpoons( 鱼叉炮) that explode( 爆炸) inside the whales. A whale dies very slowly and in great pain. Some ships kill every whale they can find, even the mothers and babies. Then there are no young whales to grow up or to bear more young.
【小题1】A monly mistaken belief is that .A．whales are mammalsB．whales must have air to breatheC．whales' babies drink milkD．whales are fish【小题2】In the passage “mammals” refer to .A．the animals which live in waterB．the animals which have wings and feathersC．the animals which are fed on their mothers' milkD．the things which live in earth and have no backbones【小题3】Every spring each group of whales .A．swim only a few kilometersB．return to the same place as they did beforeC．go to different placesD．go to cold places to bear their young【小题4】When whales talk, it sounds like .A．talkingB．whisperingC．quarrelingD．singing【小题5】Every year humans kill all over the world.A．nearly forty thousand whalesB．less than four millionC．about four thousand whalesD．about fourteen thousand whalesD
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(答案→)D
解析：
【小题1】D 细节题。根据第一段第一行Whales live in the ocean, but they are not fish. They are warm-blooded mammals and must have air to breathe.说明D的说法是错误的，是人们经常会误会的想法，故D符合题意。
【小题2】C 推理题。根据第一段2,3句They are warm-blooded mammals and must have air to breathe. The babies are born alive and drink milk from the mother's body.说明mammals是一种靠妈妈的奶水的哺乳动物，故C正确。
【小题3】B 细节题。根据第二段1,2行Every spring groups of whales swim hundreds of kilometers to warm places to bear their young. Each group goes to the same place every year.说明B正确。
【小题4】D 推理题。根据第二段第三行They “talk” to each other with a high noise that sounds beautiful.是鲸鱼的声音很好听，故听起来像是唱歌，故D正确。
【小题5】A 计算题。根据最后一段第一行humans kill over a hundred whales a day一年365天，故一年要杀死的鲸鱼大约是A项。