Most environmental problems exist because adequate measures for preventing them ______ taken in the past.

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问题 Most environmental problems exist because adequate measures for preventing them ______ taken in the past.

选项 A、was not
B、were not being
C、were not
D、being not

答案C

解析

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本试题收录于：英语题库成考专升本分类

英语

成考专升本

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Most environmental problems exist because adequate measures for preventing them ______ taken in the past.

英语

成考专升本

HowcanEnglishteachersacceleratethelanguagelearningoftheirstudents?Onewayistoteachstudentshowtolearnmoreeffe

WhatdowemeanbyaperfectEnglishpronunciation?InonesensethereareasmanydifferentkindsofEnglishastherearespeak

A、youngB、shoulderC、troubleD、encourageB

A.whendidyougetbackB.WhatasurpriseIgotC.HowIadmireyouD.IamTomE.gotholdofF.gotthroughtoG

Hawaii,theyoungeststateoftheUnitedStates,isdifferentinmanywaysfromthemainlandstates.TheHawaiianpeopleaream

RonaldMusokeisacollegestudentfromUganda.HeattendstheCollegeofMarininCalifornia.Recentlyhegotveryexcitedabou

Thedoghasalwaysbeenconsideredman’sbestfriend.Alwaysnotedforbeingparticularlyfaithfulinwatchingoverchildren,

Ifwomenaremercilesslyexploited(剥削)yearafteryear,theyareonlythemselvestoblame.Becausetheytrembleatthethoughtof

Newspapersarenotnearlyaspopulartodayastheywereinthepast.Therearenotverymanypeoplewhoseriouslyreadanewspap

It’saverypopularplay,anditwouldbewiseto______seatswellinadvance.

霍桑试验说明了“经济人”假设的正确性。()

治疗特发性血小板减少性紫癜的首选药物是

能够与亲电物质结合，保护生物大分子免受损伤的内源性物质是

“决定”的正文部分由制发决定的根据、执行要求和结尾三大部分组成。()

Incontrasttothenewteachers,themiddle-standingandveteranteachersseemtohavemadearemarkableimprovementintheirab

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