Insects are very useful in medicine.Believe it or not，doctors use maggots（蛆） in hospitals.When a person gets a very injury on his body，he must get the dead skin removed.Today，doctors are using maggots to eat the dead skin around the injury.Doctors have found that maggots eat only the dead skin，so they make the injury very clean.Many hopitals keep a supply（供給） of maggots for this purpose（目的）.
Another useful is the mosquito（蚊子）.Often people need medicine，but they live very far away from a docjye.air.To solve this problem，doctors give the medicine to mosquitoes.The mosquitoes then fly away，bite people，and give them the medicine.
In the world of medicine and science，fireflies are also useful.Fireflies have a special chemical inside them.It makes their bodies shine like fire at night.This chemical can be removed from a firefly's body and used for medical test.Scientists who do genetic engineering（遺傳工程） also use this chemical in their experiments（實(shí)驗(yàn)）.
（1）What's the use of maggots in hospitals？
Today，doctors are using maggots to eat the dead skin around the injury./ Maggots are used to eat the dead skin around the injury.Today，doctors are using maggots to eat the dead skin around the injury./ Maggots are used to eat the dead skin around the injury.
（2）How can mosquitoes help to cure（治愈） people？
Doctors give medicine to mosquitoes，and mosquitoes fly away ，bite people and give them the medicine.Doctors give medicine to mosquitoes，and mosquitoes fly away ，bite people and give them the medicine.
（3）What insects have a special chemical according to（根據(jù)） the passage？
Fireflies.Fireflies.
（4）In which field do scientists use the chemical inside the fireflies？
In medical tests and genetic engineering experiments.In medical tests and genetic engineering experiments.
（5）Can you think of another insect that is useful in medicine？
Ants/Earthworms.Ants/Earthworms.
【考點(diǎn)】人與社會(huì)；細(xì)節(jié)理解．
【答案】Today，doctors are using maggots to eat the dead skin around the injury./ Maggots are used to eat the dead skin around the injury.；Doctors give medicine to mosquitoes，and mosquitoes fly away ，bite people and give them the medicine.；Fireflies.；In medical tests and genetic engineering experiments.；Ants/Earthworms.
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發(fā)布：2024/6/27 10:35:59組卷：7引用：1難度：0.5
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Dear Laura，
Thanks for your message.Yes，I'm having a great time on my exchange program in France.I was a bit nervous before I arrived here，but there was no reason to be.My host family is really nice.They go out of their （1）wto make me feel at home.The grandmother has a teenage granddaughter （2）wis really kind.She always talks to me （3）iFrench to help me practice.My French （4）（improve） quickly since I arrived here! （5）TI still make lots of mistakes，it doesn't worry me as it used to.
Learning how （6）（behave） at the dinner table is a hard part for me.As you can imagine，things are really different from the way they are at home.For example，you shouldn't put your bread on your plate.You （7）（suppose） to put it on the table!Besides，you shouldn't eat anything with your hands except bread.Another thing is that it is very （8）（polite） to say you're full.If you don't want anything else，you should just say， "It was delicious." I find it difficult to remember everything，but I'm （9）（gradual） getting used to it.French customs are not so strange to me any （10）m.
I'll write again soon and tell you more about my life here.Hope you are having a good school year.
Yours，
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