英语演讲E_精彩英语演讲
英语演讲E由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“精彩英语演讲”。
Summer is coming.more and more mosquitoes appear to our life.a lot of people want to know why the mosquitoes like to bite them.so I will introduce which type of people is the mosquitoes most like to bite.Firstly , We also learned in biology cla that only female mosquitoes bite people, Because the male mosquitoes will absorb nutrients from plants.After enjoying a blood meal, they can produce 100 to 400 eggs.Many people think that blood type is a reason to attract mosquitoes , particularly the o blood type.In fact, this idea is wrong.Mosquitoes can’t recognize the blood type.Actually more mosquitoes are attracted to carbon dioxide and heat.So the mosquitoes prefer to bite the following.Firstly the person who have higher body temperature.Besides ,the person who tired or respiratory rate faster.Because they radiating many heat or carbon dioxide.This is to attract mosquitoes.The third is the person who likes to wear dark clothes.Because at night, dark clothes will be showing a group of Shadow, mosquitoes really like Shadow.The fourth person is fast metabolism, so children more attract mosquitoes than old people.The fifth person is on makeup.Because most cosmetics contain stearic acid, and the smell of this substance attract mosquitoes.The sixth person was drinking, because when you drink your skin will produce some Chemicals, which will attract mosquitoes to bite you.At present , humans just find this reasons.But, I believe that in the future, humans can find more and use them to deal with mosquitoes.
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