It has been quite a long time ______ the two companies established a business relationship.

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问题 It has been quite a long time ______ the two companies established a business relationship.

选项 A、although
B、because
C、if
D、since

答案A

解析本题考查连词辨析。since引导的从句，可表示“自从……以来”，其主句用完成时态．从句用一般过去时。例如：Since he entered the university，he has made great progress in his studies． (自从他进入大学以来，他在学习上取得了巨大的进步。)；although用来引导让步状语从句；because引导原因状语从句；if引导条件状语从句。根据句意，选项D正确。

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本试题收录于：大学英语三级B级题库大学英语三级分类

大学英语三级B级

大学英语三级

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It has been quite a long time ______ the two companies established a business relationship.

大学英语三级B级

大学英语三级

Onhearingthegoodnewsthatournewproductssoldwellinthemarket,weallgot(excite)______.

Thefollowingisalistoftermsusedinrailroadservices.Afterreadingit,youarerequiredtofindtheitemequivalentto(与.

A、Pleasesitdown.B、Takeiteasy.C、I’mOK.D、Yes,ofcourse.DIt’sratherhottoday,wouldyoupleaseopenthewindow?Wouldy

Accordingtothepassage,itisveryunlikelythatanAmericanhospitalisownedby______.Sometimesseveralphysicianssetup

Howoftenonehearschildrenwishingtheyweregrownup,andoldpeoplewishingtheywereyoungagain.Eachagehasits【11】andi

A—after-saleservicesB—copyrightpiracyC—unfinishedproductsD—transferoftechnologyE—domesticpro

A、Thatwillbewonderful.B、It’sfine.C、That’scertainlytrue.D、Itisuseless.AWelcometoourfactory.I’llshowyouaround.

A、Veryoften.B、Twiceaweek.C、GotoEnglishclass.D、Intheteachingbuilding.B本题的关键是howoften，询问时间频率，恰当的回答应是B，“一周两次。”

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