Dogs are our friends.In our daily life，dogs are helpful in different ways.As（1）DDdogs，they look after the bljye.aid.In some hospitals，some patients are too weak，so the dogs even open the doors，turn on or off the lights for them.They are friendly helpers to make sick people feel （2）CC .Sometimes they work with the police and help（3）BB bad men.They also save people in danger.But do you know that people train dogs to help protect insects and animals？
Dogs use their （4）AA to find out the harmful insects in the trees.For example，in May every year，a kind of insects kill ash trees by （5）BBtheir branches and roots.These insects lay eggs（下蛋） in the trees.When the eggs grow into insects，they begin to eat part of the trees.But the eggs of the insects are so small that people can （6）DDsee them.With dog's sniffing（嗅），scientists can find the eggs and take action.
Dogs also help protect animals in their own ways.Every year，some people catch，or even （7）CCanimals for things they need，from shark's fin to the tiger's skin （皮） .Then they make （8）AAlike clothes and sell them illegally（非法的）.Dogs' special smelling helps the police find out them and （9）AAthe selling.If there is no selling，there will be no killing.
Smelling for waste （排泄物） is another useful way for dogs to protect animals.Scientists can learn a lot about the animals from the waste.Then they can use the （10）CC to help protect them.
Dogs certainly become not only man's best friends，but also the environment's best friends.
| （1） | A．police | B．pet | C．rescue | D．guide |
| （2） | A．helpful | B．careful | C．cheerful | D．beautiful |
| （3） | A．fight for | B．fight against | C．look after | D．look up |
| （4） | A．noses | B．heads | C．eyes | D．ears |
| （5） | A．cutting | B．destroying | C．finding | D．digging |
| （6） | A．usually | B．really | C．finally | D．hardly |
| （7） | A．cook | B．eat | C．kill | D．feed |
| （8） | A．products | B．programmes | C．examples | D．experiments |
| （9） | A．stop | B．keep | C．continue | D．finish |
| （10） | A．discussion | B．suggestion | C．information | D．production |
【考點(diǎn)】說(shuō)明文．
【答案】D；C；B；A；B；D；C；A；A；C
【解答】
【點(diǎn)評(píng)】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書(shū)面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/12/27 4:0:2組卷：59引用：4難度：0.5
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（1）Who wrote this book review？BOOK CLUB：YOUR REVIEWS： 
What's the book about？
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Interesting funny sad amazing magical excitingStar rating：
I give Charlie and the Chocolate Factory：
★★★★★
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4 stars = Very good!
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