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
DDT, the most powerful pesticide the world had ever known, exposed nature’s vulnerability. Unlike most pesticides, which effecti
DDT, the most powerful pesticide the world had ever known, exposed nature’s vulnerability. Unlike most pesticides, which effecti
admin
2020-06-21
43
问题
DDT, the most powerful pesticide the world had ever known, exposed
nature’s vulnerability. Unlike most pesticides, which effectiveness is limited 【M1】______
to destroy one or two types of insects, DDT was capable of killing hun- 【M2】______
dreds of different kinds at once. Developed in 1939, it first distinguished
itself during World War II, cleaning South Pacific islands of malaria- 【M3】______
caused insects for U.S. troops, while in Europe being used as an effective 【M4】______
de-lousing powder. Its inventor was awarded by the Nobel Prize. 【M5】______
When DDT became available for civilian use in 1945, there were only
a few people who expressed the second thoughts about this new miracle 【M6】______
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- 【M7】______
lution upsets social economy. Ninety percent of all insects are good, but if 【M8】______
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 【M9】______
tests on DDT being conducted not far from which she lived in Maryland. 【M10】______
The magazine rejected the idea.
【M8】
选项
答案
but — and
解析
这里如果使用but,句子的连接就不很顺畅。实际上本句的两个意群的关系应该是顺接,而不是转折,因此应选用表顺接的连词,如and和so等。
转载请注明原文地址:https://kaotiyun.com/show/O4bK777K
0
专业英语八级
相关试题推荐
A、Tobuildpowerfulsoftware.B、Tochangeourpasswordseverysingleday.C、Touseourbiometricinformationaspasswords.D、To
StoryTellingI.StatusofstorytellingA.Inthepastprovidedcultural【T1】______【T1】______providedmoraleducation
StoryTellingI.StatusofstorytellingA.Inthepastprovidedcultural【T1】______【T1】______providedmoraleducation
StoryTellingI.StatusofstorytellingA.Inthepastprovidedcultural【T1】______【T1】______providedmoraleducation
EffectiveNote-takingThedifficultyoftakingnotes:Note-takingrequiresahighlevelofabilityduetothe【T1】______ofspoke
EffectiveNote-takingThedifficultyoftakingnotes:Note-takingrequiresahighlevelofabilityduetothe【T1】______ofspoke
A、Thenatureofwork.B、Officedecoration.C、Officelocation.D、Workprocedures.B面试官问MissGreen:“从就业部到广告公司,你的工作一定有所改变,不是吗?”Miss
随机试题
光镜下判断细胞坏死的主要标志是
资本从国外流入本国,称为【】
简述我国新型师生关系的特点。
健康教育的倾向因素是
下列间隙感染中何种最易导致呼吸困难?()
常用的采暖方式有()。
沉井的排水挖土下沉法适用于()。
下列贸易术语中,卖方承担责任最大的是______。
疆土对于()相当于()对于铸造
TheCampusNewshasreportedontherecentuniversitySpringSportsMeet,butyoufindthereisamistake.Writealettertothe
最新回复
(
0
)