It was Professor Smith________did the experiment in the lab yesterday evening.

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问题 It was Professor Smith________did the experiment in the lab yesterday evening.

选项 A、whom
B、who
C、what
D、which

答案B

解析本句是强调句型的基本结构“It is/was +被强调部分(通常是主语、宾语或状语) + that/who +其他部分”。构成强调句的It本身没有词义。强调句中的连接词一般用that，当强调主语且主语指人时也可用who，其余情况下均使用that。本题中被强调部分为充当主语的Professor Smith，指人，因此应该选用连接词who,故选B。

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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 was Professor Smith________did the experiment in the lab yesterday evening.

大学英语三级B级

大学英语三级

A、That’sdifficult.B、It’ssunnytoday.C、Yes,please.D、Thisway,please.CWouldyoulike…?表示征求对方建议，其肯定回答为Yes，please．否定回答为No，th

Thefirstthing______weshoulddoistoworkoutaplan.

ProbablyeverytownintheUnitedStateshasapostoffice.Someareverysmall,andyoumayalsofindtheminthe(11)ofas

Hedoesn’tdaretoleavethehouseincaseheshouldberecognized.

Accordingtothewriter,greetingssuchas"Howdoyoufeel?You’veputabuginhisearmeansthatyou’ve______.

DearMr.Harrison,Itwasapleasurespeakingwithyouonthephonethisafternoon.Iamveryhappytoacceptthepositiono

Weareverymuchimpressedbythehighqualityandcompetitivepriceofyourproducts.

A—presidentB—deanofstudiesC—professorD—lecturerE—AlmaMaterF—alumnusG—studentunionH—sophomoreI—boarderJ—postgraduate

Torecognizebusinessopportunityisvitalforallbusiness.Exploitingtheopportunityrequiresdecision-making.Managementmus

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AvianinfluenzaisaninfectiousdiseaseofbirdscausedbytypeAstrainsoftheinfluenzavirus.Thedisease,whichwasfirst

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学习的主体因素是()。

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