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
2024-12-25
23
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] (8)
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://tihaiku.com/zcyy/3884225.html
相关试题推荐
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
Povertyexistsbecauseoursocietyisanunequalone,andtherearepowerful
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
DDT,themostpowerfulpesticidetheworldhadeverknown,exposednature’s
随机试题
[originaltext](1)Withbighandbagsbecomingakeyfashionaccessoryforworking
Educationistheprocessoflearningandknowing,whichisnotrestrictedt
最低工资立法是各国管制劳动市场的通行做法。一些经济学家认为,这种做法会提高失业
心电图特征性地表现为QRS电轴左偏的是A.法洛四联症 B.房间隔缺损 C.室
高校党建工作面临着许多新情况,大学生党建工作出现了一些不容忽视的问题,大学生党员
房地产经纪行业管理的基本模式有政府主管、行业自律性管理以及二者相结合的管理等三种
A房地产公司(以下简称A公司)申请征用B乡基本农田以外的耕地50公顷,建高档
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
旅游供求在( )上的矛盾表现为旅游目的地国家出现的“旅游热点地区”和“旅游冷点
首次确立“准五服以制罪”制度的是( )。 A.《晋律》 B.《唐律疏议》
最新回复
(
0
)