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During summer days, warmer temperatures bring pests like mosquitoes. Mosquitoes can cause lots of trouble for people.. They even can spread many serious diseases.
An easy way to protect yourself against mosquitoes is using repellents (驱虫剂). Joseph Conlon, an advisor of the American Mosquito Control Association, recommends using repellents that are registered with the Environmental Protection Agency, which ensures that they actually do no harm to humans. . But some repellents can provide 4-6 hours of protection if the quality of them is excellent.
Mosquitoes are also very weak. A slight wind from a fan can help keep them away from you. It turns out that many mosquitoes are not very good fliers..
Another way is to clear all the standing water (积水) every five days. Conlon explains that mosquitoes can produce young in water collected in areas as small as bottle caps. But they have a limited flight range, which means they can't travel far. "The best way to avoid them is to not have them around in the first place." he says. If you've got them in your backyard, it's because you're raising them in your backyard.. "If you can't avoid the standing water around your house, I suggest raising fish that will eat mosquito larvae (幼虫)."
. They've experimented with male mosquitoes containing some materials that stop females from producing larvae. "There are not a lot of companies producing new chemicals or treatments that we can use," a researcher of the experiment adds. "We need new technologies and products to get rid of mosquitoes."
A. They usually provide two hours of protection.
B. Do remember to keep children away from them.
C. So try to make sure your house doesn't have standing water.
D. You can wear protective clothing and keep your windows closed.
E. You can set up a fan in your house so that mosquitoes can't bite you.
F. Many people hardly sleep well at night with mosquitoes flying around.
G. The researchers also try to find high-tech solutions to mosquito population.