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
29
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://jikaoti.com/ti/E02FFFFM
0
大学英语四级
相关试题推荐
A、Airtrafficconditions.B、Roadconditions.C、Newtrafficrules.D、Trafficjamsonhighways.A事实细节题。本题关键句为“Inthecomingyears,
A、Callingonherparents.B、Teaching.C、Businessandpleasure.D、Goingbackhome.C细节题。四个选项都是表示动作的动名词短语,因此推断问题是关于一个人的活动。男士在问到女士此
____________(沟通能力)isaveryimportantsocialskillthatcontributestosuccess.
Weknowthatthepeopleinourfamily,school,andpeergroupaffectthepersonwe【C1】______.Inaddition,themassmedia,【C2】_
Oneofthemostfamousandmosttalked-aboutactressestocomeoutofHollywoodhasdied.Film【B1】______ElizabethTaylordiedW
A、Teacherandstudent.B、Doctorandpatient.C、Managerandofficeworker.D、Travelagentandcustomer.C推理判断题。选项明显表明对话内容与说话人的职业有
A、Intheearly1880s.B、Severaldecades.C、In1861.D、In1865.D题目问战争结束的时间,文中提到“Whenthewarbeganin1861,mostAmericansbeliev
A、Forty-twonewly-marriedcouples.B、Forty-twomarriedcoupleswhohavebeentogetherforatleasttwelveyears.C、Forty-twomar
【C1】______twoyearslivingtogether,ayoungcoupleexperiencedtheusualupsanddowns【C2】______theygrewtoknow,understan
Sherefusedto______thedoorkeytothelandladyuntilshegotbackherdeposit.
随机试题
股骨颈骨折按骨折线部位分类包括______。
在可摘局部义齿支架弯制中,属于无卡环体,环抱稳定作用较差的卡环是A.锻丝下返卡环B.锻丝上返卡环C.长臂卡环D.固定卡环E.连续卡环
关于结合上皮,正确的是
关于上消化道出血,不正确的是()
推土机的开行方式基本是()的。
在出口业务中,卖方可凭以结汇的货运单据有()。
根据《建筑工程施工发包与承包计价管理办法》的规定,发包与承包价的计算方法有( )。
某企业经过调查分析,确定计划期间的目标为200000元,该企业的产品销售单价为10元,单位变动成本为6元,固定成本总额为100000元。要求:预测实现目标利润的目标销售量和目标销售额。
有以下程序 fun(int x,int y) { static int m=0,i=2; i+=m+1; m=i+x+y; return m; } main()
A、itisnotagoodjobsearchingstrategy.B、notalljobvacanciesareavailableonit.C、gradscannothaveadirectcontactwit
最新回复
(
0
)