首页
登录
职称英语
Malaria is world’s second most common disease causing over【C1】______infectio
Malaria is world’s second most common disease causing over【C1】______infectio
游客
2024-09-28
9
管理
问题
Malaria is world’s second most common disease causing over【C1】______infections and one million deaths every year.【C2】______it is one of those diseases which is beginning to increase as it develops resistance【C3】______treatments. Even in the UK, where malaria has been effectively【C4】______more than 2,000 people are infected as they return from trips abroad and the numbers are rising.
【C5】______the fact that malaria has been around for so long, surprisingly【C6】______is known about how to【C7】______or prevent it. Mosquitoes,【C8】______are the carriers of the disease, are attracted to heat, moisture and carbon dioxide but how they sought【C9】______this mixture to repeatedly select one individual for attention over【C10】______is not understood.
The fight against malaria often seems to focus on the work of medical researchers. But【C11】______is low because malaria is a third world condition and【C12】______troubles the rich, industrialized countries.【C13】______malaria is a disease of【C14】______The richer countries have managed to eradicate malaria by extending agriculture and having proper drainage【C15】______mosquitoes cannot breed. In China, making use of【C16】______impregnated netting around beds reduced infection【C17】______from over 1 million per year to around 65,000. But the search for medical cures goes on. Some researchers still have high hopes for DNA【C18】______vaccines which worked well in trials【C19】______mice. Others are not so confident and expect a wait of【C20】______another 15 years before any significant development. [br] 【C17】
选项
A、proportions
B、percentages
C、rates
D、ratios
答案
C
解析
惯用搭配题。感染率infection rate。rate虽有“比例,比值”之意,但在此表示“速度”;proportion表示“比例关系”,可代替ratio使用,但相比的两个量在上下文没有出现时必须用proportion而不能用ratio;ratio指的是“两个量的比值”.强调相比、相除的关系,但是它的两个量必须在上下文出现;percentage表示“百分比”。
转载请注明原文地址:https://tihaiku.com/zcyy/3778080.html
相关试题推荐
Itiscommonknowledgethatdrugabuseleadstoharmfulconsequences.Whyt
Choosingfoodsthat______yourbodyandbraincanhelppreventordelaydiseases.
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
Malariaisworld’ssecondmostcommondiseasecausingover【C1】______infectio
随机试题
[originaltext]Wewouldliketothinkthattheselfieisaninventionofthe
NotuntilIcametoChina________whatkindofacountrysheis.A、IknewB、Ididn
Eatingwhenyou’renothungry—especiallyhigh-calorie,high-fatfoods—mayno
在集合竞价交易中,以下说法正确的有()。 Ⅰ.所有买方有效委托按委托限价由高
慢性支气管炎与肺癌的主要鉴别依据是A.发热 B.咳嗽 C.咯血 D.
共用题干 第二篇Ceremonialbathing(仪式性的沐浴)hase
营养性缺铁性贫血,服用铁剂停药的时间应是A.血红蛋白量恢复正常 B.血红蛋白量
多邦公司是一家驼羊毛制品生产和销售企业,产品销往多个国家和地区。为了确保产品质优
当电动机绝缘电阻值达到规范要求时,在同一温度下经()h稳定不变时方可认为干
关于小儿牙齿发育哪一项是错误的 A.乳牙于生后4~10个月开始萌出 B.乳牙
最新回复
(
0
)