Nearly 27 percent of the world’s coral reefs have been lost or damaged. But there is hope. Many reefs around the world—including the Great Barrier Reef in Australia and the reefs off the Florida Keys in the United States—are now protected areas where scientists study how to keep reefs healthy. They determine how many and which kinds of fish can be taken for food without hurting the reef’s delicate balance.

　　There is hope, too, that people will learn to be good partners to the reefs. “We want our film to inspire people to help coral reefs,” says Michele. “For me, even though I may not go back to the South Pacific, just knowing the reefs are there and thriving brings a sense of contentment (满足) to my spirit.”

　　40．What is the main purpose of the author in writing the passage?

　　A．To describe what coral reefs are.

　　B．To tell people to protect coral reefs.

　　C．To introduce a film to people.

　　D．To ask people to visit coral reefs.

　　1．From the passage we can infer that

　　.

　　A．coral reefs grow very fast

　　B．there are few huge coral reefs

　　C．coral reefs appear mostly in deep water

　　D．it takes a long time to make a coral reef

　　2．By mentioning the parrot fish, Michel wants to tell us

　　.

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