首页
登录
职称英语
DDT, the most powerful pesticide the world had ever known, exposednature’s
DDT, the most powerful pesticide the world had ever known, exposednature’s
游客
2023-12-13
9
管理
问题
DDT, the most powerful pesticide the world had ever known, exposed
nature’s vulnerability. Unlike most pesticides, which effectiveness is limited (1)______
to destroy one or two types of insects, DDT was capable of killing hun- (2)______
dreds of different kinds at once. Developed in 1939, it first distinguished
itself during World War II, cleaning South Pacific islands of malaria- (3)______
caused insects for U.S. troops, while in Europe being used as an effective (4)______
de-lousing powder. Its inventor was awarded by the Nobel Prize. (5)______
When DDT became available for civilian use in 1945, there were only
a few people who expressed the second thoughts about this new miracle (6)______
compound. One was nature writer Edwin Way Teale, who warned, "A spray
as discriminate as DDT can upset the economy of nature as much as a revo- (7)______
lution upsets social economy. Ninety percent of all insects are good, but if (8)______
they are killed, things go out of kilter right away." Another was Rachel Car
son, who wrote to the Reader’s Digest to propose an article about series of (9)______
tests on DDT being conducted not far from which she lived in Maryland. (10)______
The magazine rejected the idea. [br] (3)
选项
答案
cleaning — clearing
解析
clean和clear这对形近且意近的动词容易被混淆,但clean指“使某地方没有灰尘,使……干净”,而clear强调“清理不需要的东西”,而且clear可与of连用,而clean则很少,因此应选用clear。再举一例:Workers could not clear the tunnels of smoke.
转载请注明原文地址:https://tihaiku.com/zcyy/3269662.html
相关试题推荐
Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaves
Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaves
Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaves
Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaves
Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaves
Wheredopesticidesfitintothepictureofenvironmentaldisease?Wehaves
[originaltext]OneofthemostpowerfultoolseverdevelopedistheP.C.,the
[originaltext]OneofthemostpowerfultoolseverdevelopedistheP.C.,the
[originaltext](6)Apowerfulexplosionatapetrolstationinthecenterofth
WhichofthefollowingisNOTamongthecriteriaofthe100mostpowerfulwomen
随机试题
Aneducationblogthataskedreaderstosendreportsofviolenceinschoolstied
我的树 (俄)屠格涅夫 我收到一位过去的大学同学的来信,他是一个有钱的地主,
传染性单核细胞增多症血象的突出变化是A.淋巴细胞增多 B.嗜碱性粒细胞增多
提出儿童具有吸收性心智观点的教育家是()A.福禄贝尔 B.蒙台梭利 C.皮亚
水行政主管部门和流域管理机构按照()负责水利工程建设安全生产的监督管理。A、属地
以资本资产定价模型为基础的评价基金业绩的绝对指标是指( )。A.詹森指数 B
司法人员恪守司法廉洁,是司法公正与公信的基石和防线。违反有关司法廉洁及禁止规定将
用熔化极氩气气体保护焊焊接铝,镁等金属,为有效去除氧化膜,提高接头焊接质量,应采
关于国际工程招标,下列说法中正确的是()。A.提交标书的方式须加以限制,如
关于留置的说法,正确的是( )。A.留置权属于债权 B.债权人不负责保管留置
最新回复
(
0
)