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
According to the World Health Organisation, malaria, a disease spread by mosquitoes, affects millions of people every year. Ever
According to the World Health Organisation, malaria, a disease spread by mosquitoes, affects millions of people every year. Ever
admin
2013-06-03
35
问题
According to the World Health Organisation, malaria, a disease spread by mosquitoes, affects millions of people every year. Every one knows how irritating the【S1】______made by a mosquito, followed by a painful reaction to its bite, can be. It is【S2】______that so little is known about why mosquitoes are drawn to or driven away from people, given the level of distress and disease caused by these【S3】______. We know that the most effective chemical for protecting people against mosquitoes is diethyltoluamide(避蚊胺 , commonly【S4】______to deer. Although deet works well, it has some serious【S5】______: it can damage clothes and some people are allergic(过敏的 to it.
Scientists know that mosquitoes find some people more attractive than others, but they do not know why this should be. They al so know that people vary in their reactions to mosquito bites. One person has a painful swelling while another, who is bitten by the same mosquito, may【S6】______notice. Scientists have not discovered the reason for this, but they have carried out experiments to show that mosquitoes are attracted to, or put off by,【S7】______smells. In the future, scientists hope to develop a smell that mosquitoes cannot【S8】______. This could be used in a trap so that, instead of attacking people, mosquitoes would fly into the trap and be【S9】______. For the time being, however, we have to continue spraying ourselves with【S10】______liquids if we want to avoid getting bitten.
A hardly B nice C certain D insects
E advantages F shortened G drawbacks H destroyed
I unpleasant J astonishing K detect L immediately
M noise N exciting O resist
【S4】
选项
答案
F
解析
转载请注明原文地址:https://kaotiyun.com/show/ypg7777K
0
大学英语四级
相关试题推荐
ThebirthoftheSpaceTransportationSystem(STS)andtheneweraofspaceactivitiesitwillbringarecontributingtoarecen
A、Takeanothermagazine.B、Takethetimetoread.C、Takeadictionary.D、Takethedeskaway.A对话和某人的动作相关。根据对话中的“Whydon’tyouta
ShouldBasicLivingSkillsBecomeCompulsoryatSchool?1.一些人认为基本生活技能也应该成为中国学生的必修课2.反对者则认为,学生应在家里逐步学习基本生活技能3.提出自己的观点
Youngpeopleintheearly1980saretakingonasetofattitudesandvaluesremarkablydifferentfromthoseofthestormy’60sa
Advertisingisawayofbringing【B1】tothepublicforthepurposeofsellingaproduct,aservice,anidea,oran【B2】.Theinfor
A、Todrivethecarautomatically.B、Tomeasurethedriver’spulse.C、Topreventcaraccidents.D、Tomonitorthedriver’shealth.
Waterpollutionaffectsman’shealth,recreationaluseofwater,industrialofwaterandsenseofbeauty.Thespreadofwater-ca
A、Theybothenjoyedwatchingthegametogether.B、Theybothfeltgoodabouttheresultsofthegame.C、Peopleweresurprisedat
TrustMe,IAmaRobotRobotsafety:asrobotsmoveintohomesandoffices,ensuringthattheydonotinjurepeoplewillbe
______(在一场看似无休止的战争中损失近五万士兵).thegeneralwasforcedtoevaluatethesituationagain.
随机试题
我们想知道他是如何解决那个问题的。
划线基准应与()一致。
Thetalltree,______leavesaredarkerthanthoseoftheothertwo,wasplantedwhenmygrandpawasyoung.
某药半衰期为5小时,1次用药后从体内基本消除(消除95%以上)的最短时间是
[2009年,第120题]根据《建设工程勘察设计管理条例》的规定,编辑初步设计文件应当()。
某项目排放污水中含重金属,排放口下游排放区域内分布有鱼类产卵场等敏感区。现状评价巾应调查()。
关于个人商用房贷款业务,下列说法正确的有()。
依法治教是现代教育的重要特征。()
关于教育对生产力的发展的促进作用,说法错误的是()
某单位需要派出扶贫人员1~2人。经过宣传号召,众人纷纷报名。经过一番考虑,领导最后将扶贫人选集中在小王和小张两人身上。大家对最终的挑选结果作了如下猜测:(1)小王会被挑选上;(2)如果小王被挑选上,小张就不会被挑选上;(3)只
最新回复
(
0
)