首页
登录
职称英语
Most environmental problems exist because adequate measures for preventing them
Most environmental problems exist because adequate measures for preventing them
游客
2024-11-01
43
管理
问题
Most environmental problems exist because adequate measures for preventing them _________ taken in the past.
选项
A、was not
B、were not
C、were not being
D、being not
答案
B
解析
被动语态的时态、数、性的一致,主要由助动词来表示,要注意它们与主语的一致。此处从句的主语measures是复数,因此选择答案B。
转载请注明原文地址:http://tihaiku.com/zcyy/3825923.html
相关试题推荐
Inlargecities,manymeasureshavebeentakenagainst______dreiving.A、drinking
Brazil’sEnvironmentalMinistrysays______.[br][originaltext]Brazil’sE
Brazil’sEnvironmentalMinistrysays______.[originaltext]Brazil’sEnviron
Nancybecameataxidriverbecause[br][originaltext]Interviewer:Hello,Nancy
Nancybecameataxidriverbecause[br][originaltext]Interviewer:Hello,Nancy
Maggietiptoedoverandtooktheclockawaybecauseshehatedtohear______it
OldFreddoessomethingstupidbecause[originaltext]F:Wouldyoupleasedescri
Mostenvironmentalproblemsexistbecauseadequatemeasuresforpreventingthem
Toprovetheirtheories,scientistsmust______anadequateamountofdataasev
Ourcountryistryingto______theseriousproblemscreatedbytheenvironment
随机试题
Dinosaurs,saber-toothtigersandthedodobirdarefamousexamplesof【M1】_
[originaltext]W:ProfessorWilson,doyouthinkthatchildrennowadaysarenaug
ThefirstflightoftheSpaceShuttleColumbiainthespringof1981wasar
Lookatthefollowingstatements(Questions34-40)andthelistofcountriesbelow
PASSAGEFOUR[br]Whyisthegenderpaygapnarrowingdownaccordingtoeconomis
在技术交底的实施中,作业中发生外部指令引起的变更与预期有较大变化者要及时向作业人
男性,50岁,常规体检时发现脾肋下5cm,化验WBC150×10/L,分类中幼粒
下列有关文学常识的表述,有错误的一项是()。A.《楚辞》是屈原、宋玉等人的
(2018年11月)()应严格执行政府颁布的工资指导线。A.私营企业 B
使用环磷酰胺治疗系统性红斑狼疮的指标是( )。A.口腔溃疡 B.关节炎 C
最新回复
(
0
)