单选题：Theunderlinedword"crucial"inthefifthparagraphprobablymeans__

题目内容：

Theunderlinedword"crucial"inthefifthparagraphprobablymeans__________. A．critical
B．enough
C．sufficient
D．efficient

参考答案：

答案解析：

__________beforeyouleavethelab.

__________beforeyouleavethelab.A．Makesurethatthewindowsareshut B．Tomakesurethatt

分类：中学英语题型：单选题

Shetoldherneighbourthatshe__________thewell-knownscientistifshehadattendedthelec

分类：中学英语题型：单选题

Itissaidthatagraveofamiddle-agedman__________about2300BCwasfoundbysomeEng-lishar

分类：中学英语题型：单选题

Thenewlibrarianstilldoesn'tknow__________theout-of-datenewspapersanmagazines.A．w

分类：中学英语题型：单选题

根据以下材料，回答题Paragraph1Scientistshavelearnedalotaboutthekindsofpeopleneed.Theysay

分类：中学英语题型：单选题