D. endangered humpback and right whales are the most at risk

　　3. We can infer from the last paragraph that　.

　　A. some areas important to whales are overlapped with the ship lanes

　　B. scientists are creating the sound maps by tracking ships and marine mammals

　　C. if scientists have guns, they can correct the noise pollution

　　D. scientists have worked out a plan to protect the whales

　　4. According to scientists, 　.

　　A. right whales off the California coast have been in danger because of the loss of the energy

　　B. right whales cannot find food and mate for they lose a lot of living areas

　　C. there are about 20% of the normal communication areas still available for the right whales

　　D. the right whales always invest most of their energy for making calls

　　5. According to the description of whales, we can know that　.

　　A. the noise made by the ships has a bad effect on the area where whales live

　　B. whales can communicate with each other by diving into the deep water

　　C. whales cannot find mates because they don’t have enough energy

　　D. the communication between whales is through low frequency calls

　　(B)

　　Growing up on-screen for a decade as Harry Potter, 22-year-old Daniel Radcliffe has had to deal with typecasting(角色定型)his whole career. However, in a new release called The Woman in Black, the successful child actor finally escapes J. K. Rowling’s hero by taking on the lead role in a classic ghost story.

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