Warm weather may influence both fish and shark activity. Many fish swim near coastal areas 55 their warm waters. Experts say sharks may follow the fish into the same areas, 56 people also swim. In fact, most sharks do not purposely charge at or bite humans. They are thought to mistake a person 57 a sea animal, such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up. Those are the 58 when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.

　　A shark has an extremely good sense of smell. It can find small amounts of substances in water, such as blood, body liquids and 59 produced by animals. These powerful 60 help sharks find their food. Sharks eat fish, any 61 sharks, and plants that live in the ocean.

　　Medical researchers want to learn more about the shark''s body defense and immune 62 against disease. Researchers know that sharks 63 quickly from injuries. They study the shark in hopes of finding a way to fight human disease.

　　Sharks are important for the world''s 64 . They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too 65 This protects the plants and other forms of life that exist in the oceans.

1

 A.attack

 B.meet

 C.love

 D.visit

2

 A.terrible

 B.eatable

 C.valuable

 D.possible

3

 A.source

 B.existence

 C.friends

 D.fish

4

 A.Space

 B.Sky

 C.Land

 D.Earth

5

 A.because

 B.since

 C.because of

 D.by reason that

6

 A.whose

 B.which

 C.that

 D.where

7

 A.to

 B.for

 C.like

 D.with

8

 A.times

 B.places

 C.seas

 D.oceans

9

 A.sciences

 B.mathematics

 C.chemicals

 D.physics

10

 A.feelings

 B.senses

 C.touches

 D.tastes

11

 A.those

 B.these

 C.another

 D.other

12

 A.systems

 B.processes

 C.ideas

 D.circles

13

 A.recover

 B.reform

 C.return

 D.rely

14

 A.rivers

 B.oceans

 C.forests

 D.mountains

15

 A.weak

 B.little

 C.few

 D.great

词汇选项阅读判断概括大意与完成句子阅读理解补全短文完形填空词汇选项

每题1分，共15分

参考答案： C     答案解析： choice

1、 I have no alternative but to report him to the local police.

 A.opinion

 B.means

 C.choice

 D.selection

参考答案： A     答案解析： died out

2、 The disease has completely abolished in this country.

 A.died out

 B.died down

 C.died away

 D.died off

参考答案： A     答案解析： gave