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题型:阅读选择 题类:常考题 难易度:普通

    Dolphins are not fish. They are mammals (哺乳动物).They live in groups and speak to each other in their own language. But they are quite different from almost all land animals. Their brain(大脑)is as big as men's and they live a long life at least 20 or 30 years.
    Like some animals, dolphins use sounds to help them find their way around. They also use these sounds to talk to each other and to help them find food. They do not use their ears to receive sounds,but use the jaw--the lower part of the mouth.
    It is strange that dolphins are friendly to men, and for thousands of years, there are many stories about dolphins and men. In the 19th century, in a dangerous part of the sea near New Zealand,there was a dolphin. The seamen liked him very much and gave him a very good name, Jack. From 1871 to 1903 ,Jack met every boat in the area and showed it the way. In 1903 a passenger on a boat with the name of The Penguin shot and hurt Jack. Luckily the dolphin didn't die, and after a long time he was well again. He guided the ships through the area for nine more years, but he refused to help the boat of the Penguin.
    Today, some people still kill dolphins, but many countries in the world now protect them. In these places, people are not allowed to kill them.

(1)、The word "jaw" means_________in Chinese. 

A、下颚 B、 嘴巴 C、嘴唇 D、鼻子
(2)、How do dolphins find their way? 

A、They use their noses to smell the way. B、They use their ears to hear the sounds. C、They use their eyes to see the way. D、They use sounds to find the way.
(3)、Who was Jack? 

A、The writer. B、A dolphin. C、A seaman. D、The passenger.
(4)、The dolphin guided the ships for about________.

A、32 years B、9 years C、41 years D、23 years
(5)、According to the passage, which of the following is NOT right? 

A、Dolphins are not fish. B、Dolphins don't live in groups. C、Dolphins are kind and friendly to people. D、Dolphins can live a long life.
举一反三
阅读下列短文,从每题所给的A、B、C和D项中选出最佳选项。

Last month,calls were made to raise the taxes for sugary drinks. This shows growing worry over the amount of sugar that kids are taking in through cola,juices and other beverages(饮料),a new study has found that one in five children did not drink any water on a given day﹣and that those kids took in more calories(卡路里)from sweetened beverages than kids who did drink water. 

The study surveyed on 8,400 children across the country between the ages of 2 and 19. Researchers found that around 20 percent of children are reported drinking no water throughout the day. And they took in almost twice as many calories than kids who did drink some water. Overall,the children drank 132 calories of colas and other sugary beverages per day. That number dropped to 112 calories if they drank any water. But kids who didn't drink any water at all took in an average of 210 calories from sweetened drinks. 

This can cause a lot of problems. "Those calories don't provide much nutrition (营养) and they can add up," according to professor Asher,sugary drinks have been linked to a number of diseases,such as childhood obesity,dental problems and high cholesterol. "I've seen 6﹣year﹣olds with high cholesterol and teenagers with Type 2 diabetes," said Natalie

"Kids should take in water every single day,and the first beverage choice for kids should be water," according to Natalie. "Because if they're not drinking water,like sugar﹣sweetened beverages,that are less healthy and have more calories. " Adults should take up their responsibility to encourage kids to drink water so that they don't take in something less healthful. And things need to be done to ensure childhood health. 

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