D．To hit the shark on the nose

　　4．We can conclude from the passage that ________.

　　A．people's scares to sharks mainly come from the movie "Jaws"

　　B．many people die of lightning

　　C．knowing the ways sharks attack people and the ways to save oneself can prevent the attacks totally

　　D．the attack events from the sharks are the main topics of the passage

　　【答案】　1－4　DADB

　　　阅读P18教材课文，在空白处填入适当的内容(1个单词)或括号内单词的正确形式

　　There are nearly 400 different types of 1.________(shark)，but only about 30 types of sharks are known 2.________(attack) human beings.Contrary to 3.________many people might assume, evidence shows that sharks seldom attack humans.There are three types of shark attacks.In the main type, the shark attacks you 4.________ it mistakes you for a fish, but when it tastes human flesh it decides to give up and 5.________(swim) away.In the second type，the shark pushes you 6.________its nose to find out if you are fit to be eaten and then bites you if it thinks you are.In the third type, the shark waits for you to swim by, and then attacks you 7.________(sudden)．The last two of them more often result in the 8.________(die) of humans.However, if you follow the advice, you will be 9.________(safe)：keep calm; hit the shark on 10.________ nose with your fist; stick your finger in the shark's eye.

　　Don't be frightened by sharks: you are 30 times more likely to be hit by lightning than be attacked by a shark.

　　【答案】　1.sharks　2.to have attacked　3.what　4.because　5.swims　6.with　7.suddenly 8．death　9.safer　10.the

　　 distance n．距离；远处

(教材P12)In the distance I could hear thunder and see lightning coming.在远处我就能够听到雷声，看到闪电。