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
30
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] (7)
选项
答案
discriminate — indiscriminate
解析
这里用discriminate犯了语意颠倒的错误。从上下文来看DDT的特点是没有分辨性:它既能杀死有害的昆虫又能杀死有益的昆虫,因此应选用它的反义词indiscriminate。
转载请注明原文地址:https://tihaiku.com/zcyy/3269666.html
相关试题推荐
WhichofthefollowingisNOTamongthecriteriaofthe100mostpowerfulwomen
WhichofthefollowingisNOTamongthecriteriaofthe100mostpowerfulwomen
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
随机试题
Bookshavealwaysbeenthemaintoolsforteaching.Butavastnumberofnew
Inthepast,paintingsbyBlackAmericanartistsoftenwere(i)______;incontra
Hepretendedtounderstandthefull_______ofhisteacher’sremark.A、cluesB、cu
对低碳钢试件进行拉伸试验,测得其弹性模量E=200GPa。当试件横截面上的正应力
引导——发现教学模式属于哪一类音乐教学模式?()A.情感模式 B.行为模式
按照《证券经营机构投资者适当性管理实施指引(试行)》,适当性管理主要包括以下(
医疗机构、戒毒机构以开展戒毒治疗为目的,可以使用A.麻醉药品 B.第一类精神药
教育心理学研究的核心内容是() A.学生B.教师C.教学过程D.学习过
因期货经纪合同无效给客户造成经济损失的,下列关于责任承担方式的说法,正确的是(
装配式装饰装修能提高劳动效率,节省劳动成本,主要体现在()。A.模块化设计
最新回复
(
0
)