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| A.Less than 100 | B.Less than 150 | C.More than 150 | D.149 |
| A.The terrible sound that is caused in the war between two countries. |
| B.Human activities that aim to explore the ocean floor. |
| C.The loud sound that whales and dolphins make. |
| D.The earthquakes that happen on the ocean floor. |
| A.A change in the electromagnetic patterns that whales follow. |
| B.New roundabout being built on a road. |
| C.Their full attention to the search for food. |
| D.Exploiting natural resources in oceans. |
| A.that whales and dolphins may make mistakes as well as human beings |
| B.how scientists have found the reasons for the mass beaching of whales |
| C.how human beings make use of the ocean resources |
| D.why the mass beaching of whales happens |
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| A.5,000,000 | B.2,000,000 | C.1,000,000 | D.500,000 |
| A.most adult New Yorkers go in for many regular physical activities |
| B.New Yorkers think that obesity shows economic development |
| C.New York City’s adult obesity rate increased from 1993 to 2004 |
| D.most of the New York City’s adults are at a healthy weight |
| A.overweight | B.underweight | C.slightly underweight | D.obese |
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