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
23
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
【S7】
选项
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/Npg7777K
0
大学英语四级
相关试题推荐
Youngpeopleintheearly1980saretakingonasetofattitudesandvaluesremarkablydifferentfromthoseofthestormy’60sa
SocialmediapresentschallengetouniversitiesUniversitieshaveanewweaponinthebattletoprotecttheirreputations:thef
SharksSharksareamazingfishthathavebeenaroundsincelongbeforethedinosaursexisted.Theyliveinwatersallovert
SharksSharksareamazingfishthathavebeenaroundsincelongbeforethedinosaursexisted.Theyliveinwatersallovert
A、Theenvironmentalproblem.B、Thehealthproblem.C、Theeducationalproblem.D、Theinternationalproblem.AW:Iwonderifourc
A、Bylisteningtoherfather.B、Byworkingforanartist.C、Bytalkingtothestudioartinstructor.D、Bytakingseveralartcou
【C1】______twoyearslivingtogether,ayoungcoupleexperiencedtheusualupsanddowns【C2】______theygrewtoknow,understan
Notallsoundsmadebyanimalsserveaslanguage,andwehaveonlytoturntothatextraordinarydiscoveryofecholocation(回声定位
A、Theyaretalkingaboutwhentomeetagain.B、Theyarediscussingwheretomeetagain.C、TheyareplanningaChristmasparty.D
A、Theyrefusedtoapologizeforhavingfollowedherthroughthetown.B、Theyregrettedhavingwronglyaccusedherofstealing.C
随机试题
焊接时焊缝产生结晶裂纹的原因是什么?
I’maChinesestudentstudyinginCanada.IhavebeenaboarderwiththeCarsonsformorethanayearandahalf.TheCarsons
肝细胞性黄疸时,尿液检查结果为()
α海洋贫血中如果4个α基因全部缺失,临床表现极为严重的疾病是α海洋贫血中如果4个α基因仅1个缺失的疾病是
水泥漆的主要组成是以下哪种物质?[2005—036]
以下属于适应有关客户信用风险监测的预警管理的是()。
下列关于索引的叙述中,错误的是()。
DothefollowingstatementsagreewiththeinformationgiveninReadingPassage2?Inboxes17-23onyouranswersheet,writeTR
Whathappenedafterthemanbuilthisfirstcomputer?
______hewasanoldcustomer,thebossallowed5%discountoffthepricesofthegoods.
最新回复
(
0
)