题目内容：

Every summer many people take time off from the job, pack up the car and hit the beach for a nice, relaxing family vacation. But no beach comer ever wants to hear-SHARK!

Sharks are _________ the oldest animals in the world. There are over three hundred fifty different kinds of sharks in the world. Most sharks are about two meters _________, and they live in _________ waters, but some in very cold areas. Most sharks live in the oceans.

A shark can _________ a small amount(量) of things in the water, for example, the blood of animals. That helps them find their food. Sharks eat fish, _________ sharks and plants in the ocean. Some sharks can eat just about _________.

Sharks grow slowly. About 40% of the different kinds of sharks lay eggs (产卵). The others give birth to live young. Some sharks carry their _________ inside their bodies.

Most sharks bite people by mistake. They think a person is a large sea animal. When the sun goes down or comes up, sharks are _________ food. So at these times people _________ go swimming in the ocean. Each year bees, snakes and elephants kill more people than sharks _________.

Today people kill sharks for sport, food and their skin. The number of sharks in the world is dropping fast!

1.A. over    B. under    C. among    D. behind

2.A. wide    B. tall    C. high    D. long

3.A. cool    B. warm    C. sunny    D. windy

4.A. listen    B. look    C. smell    D. hear

5.A. else    B. others    C. other    D. another

6.A. anything    B. nothing    C. something    D. things

7.A. small    B. big    C. old    D. young

8.A. looking at    B. looking for    C. looking over    D. looking after

9.A. should    B. shouldn't    C. can    D. needn't

10.A. make    B. kill    C. do    D. take