首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
By "some people" I mean me. Why is it that an evening stroll leaves me feeling eaten alive while my companions are left blissful
By "some people" I mean me. Why is it that an evening stroll leaves me feeling eaten alive while my companions are left blissful
admin
2014-12-31
37
问题
By "some people" I mean me. Why is it that an evening stroll leaves me feeling eaten alive while my companions are left blissfully un-bitten?
Studies suggest that about 20 percent of people are "high attractor types" who are especially appealing to the female mosquitoes seeking out blood for the extra protein they need to lay eggs. Of course, not all mosquitoes are the same. But let’ s consider some of the more general properties that affect your mosquito appeal.
Clothing Color
It’s true, mosquitoes have discerning fashion taste. Or at least, they’re more likely to spot you as a target if you stand out from your environment. Dark colors, especially, will attract more of the insect.
Body Heat
Visual clues allow the mosquito to locate you from relatively far away, but as she approaches, it’s your body heat that draws her in. This puts pregnant women, who average about 1.26 degrees Fahrenheit warmer than others, at a particular risk—a fact which has been substantiated by a number of studies.
Carbon Dioxide
This is another reason pregnant women are at a disadvantage. Mosquitoes can detect carbon dioxide using a special organ called a maxillary palp from as far as 164 feet away. Unfortunately for mothers-to-be, pregnancy causes women to emit 21 percent more CO
2
. This is also why kids are often safe from bites, when bigger, more CO
2
-emitting adults are around.
Alcohol Intake
On the flip side, pregnant women are(presumably)avoiding another mosquito attractor: alcohol. Although it’ s unclear how mosquitoes go about detecting the presence of ethanol, studies show that drinking even just 12 ounces of beer will significantly increase the attention you receive from the pests.
The Properties of Your Skin and Sweat
Up to 85 percent of your susceptibility to mosquito bites has nothing to do with what you’ re drinking, wearing or how much heat your body emits—it’ s just genetic. Specifically, the composition of your skin bacteria—the kind that naturally and healthily exists there—can serve as an attractor.
Blood Type
Another factor you can’t control? Your blood type. And it stands to reason that, if the mosquito is there to suck your blood, she cares what kind she’s getting. People with blood type O are more prone to mosquito bites than those with type B, with type A folks bringing up the rear.
What is false about the "clothing color" and "body heat" factors?
选项
A、The heat surrounding you helps to attract the mosquito far away.
B、The mosquito easily detects people who wear different colors from others.
C、Mosquitos like warm places.
D、The pregnant women get bitten much easier because they are warmer.
答案
A
解析
细节题。判断重点在“visual clues allow the mosquito to locate you fromrelatively far away,but as she approaches,it’s your body heat that draws her in”,意为视觉线索帮助蚊子从远处定位,但当它靠近你之后。是你的体温吸引了它。理清了逻辑之后。可以看出B、C、D都正确,而A说反了。
转载请注明原文地址:https://kaotiyun.com/show/kTq7777K
0
大学英语四级
相关试题推荐
Peopleintheirsixtiesshouldgotouniversitytoretrainbecausetheywillbeexpectedtoworkforlongerbeforeretirement,【C
A、Tocutdownitsproductionexpenses.B、Tosolvetheproblemofstaffshortage.C、Toimproveitsadministrativeefficiency.D、T
Environmentalasceticismhascreatedavogueforupgradinglight-bulbsandtweakingthermostats(恒温器).Butaccordingtoanewpie
OnefeatureofnewfoundwealthinthedevelopingworldhasbeentheembraceofWesternluxurylabels.Butsincetheglobalecono
Farewell,Libraries?Amazon.com’srecentannouncementthatsalesofe-booksattheonlinemegastorehadovertakensalesofh
ImaginebeingaslaveinancientRome.Nowrememberbeingone.Thesecondtask,unlikethefirst,iscrazy.If,asI’mguessing,
Thenewspapermustprovideforthereaderthefacts,pure,objectivefacts.Butinthesedaysofcomplexnewsitmustprovidemo
Morethanthreedozenbillionaires,includingwell-knownphilanthropist(慈善家)DavidRockefeller,havepromisedatleasthalfofth
Isitpossibletopersuademankindtolivewithoutwar?Warisanancientinstitutionwhichhasexistedforatleastsixthousan
随机试题
被誉为英国浪漫主义文学史上里程碑的作品是()
Hawley上颌矫治器的支抗主要来源于
大黄是多年生高大草本。生于山地林缘或草坡,野生或栽培,根茎粗壮。具有泻热毒,破积滞,行瘀血的功效。请回答下列问题:用于大黄主要成分鉴别的反应是
高层建筑地价分摊是将高层建筑物的造价分摊到所占土地上。()
下列各项属于建筑物综合布线系统的子系统的有()。
(2007年考试真题)总额清算方式的主要优点是可以简化操作手续,减少资金在交收环节的占用。()
个人信用贷款期限在1年以内的,采取()的还款方式。
下列各句中,没有语病的一句是()。
一项任务可以分解为许多作业,改进团队希望把各项作业进度间的依赖和制约关系清晰地表示出来,并通过适当的分析找出影响进度的关键路径,从而能进行统筹协调。此时适宜选择的工具是()。[2007年真题]
开诚布公,不虚伪行事,不以个人的权威或职业地位作掩护,指的是()
最新回复
(
0
)