In the experiment we kept a watchful eye ______the developments and recorded every detail.

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问题 In the experiment we kept a watchful eye ______the developments and recorded every detail.

选项 A、in
B、at
C、for
D、on

答案D

解析

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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In the experiment we kept a watchful eye ______the developments and recorded every detail.

英语

普高专升本

Atfirst,thescientistswhohadbuiltthebombwerepleasedthatithadhelpedtoendthewar.

Haveyou【B1】askedyourselfwhychildrengotoschool?Youwillprobablysaythattheygo【B2】theirownlanguagea

Ahobbycanbealmostanythingapersonlikestodoinhissparetime.Hobbyists【B1】______pets,buildmodelshipsanythingap

Ifyoucannotattendthemeeting,pleasefindsomeoneto______foryou.

Otherexperimentshaveshown【61】thebrainneedstimeto"digest"【62】hasbeenlearned.Thetimenecessary【63】thisis5to1

He______thathisguestswerebored,althoughtheywerelisteningpolitely.

It’sstillearlyinthemorning.Thereisn’t______intheoffice.

Youwillfindthematter______aboutalloverthecompany.

Abouthalfofthestudentsexpectedthere______morereviewingclassesbeforethefinalexams.

Theagriculturerevolutioninthenineteenthcentury【B1】twothings:theinventionoflabor-saving【B2】andthedevelop

Whatdoesthespeakersayaboutlastyear’spublicitycampaign?

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Atfirst,thescientistswhohadbuiltthebombwerepleasedthatithadhelpedtoendthewar.

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Ahobbycanbealmostanythingapersonlikestodoinhissparetime.Hobbyists【B1】______pets,buildmodelshipsanythingap

Ifyoucannotattendthemeeting,pleasefindsomeoneto______foryou.

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