雅思阅读材料：蚊子为什么咬我不咬他？_雅思英语阅读

雅思阅读材料：蚊子为什么咬我不咬他？

　　Research reveals why some people are constantly under attack from the bloodsucking insects, while others walk free.

　　研究揭示了为什么有些人总是会受到吸血虫蚊子的袭击而有些人却可以平安无事。

　　For those unfortunate enough to feature highly on the mosquito hit list, summer nights are synonymous with mosquito bites. Yet others hardly ever get bitten. So how do the bloodthirsty insects select their victims?

　　对那些很不幸被蚊子列为叮咬对象的人们来说，夏夜就是蚊虫叮咬的代名词。而有些人却从没被蚊子叮咬过。那么这些吸血虫是怎样选择它们的受害对象的呢?

　　Scientists rubbed petri dishes against their stomachs. The mosquito season gives rise to countless speculations about possible solutions to the age-old mystery of mosquito preferences.

　　科学家们把培养皿自己的腹部进行擦拭。对于关于蚊子喜好的可能性解释，蚊子的繁殖季节提供了无数的猜想。

　　The insects tastes may seem arbitrary. However, research reveals that when mosquitoes make their choice between potential victims, it all comes down to scent:

　　昆虫的口味好像很随意。然而研究显示当蚊子要从潜在的受害者中选择对象时，还是气味起了决定作用。

　　Mosquitoes are attracted by carbon dioxide and heat, which everyone gives off. But mosquitoes are also attracted by certain scents.Karl-Martin Vagn Jensen. According to Jensen, it has not yet been established exactly what the scents in question are. But research does indicate that some scents are more attractive to mosquitoes than others.