What does the passage mainly discuss? The purpose of the "guncotton" mentioned in paragraph 2 was to

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问题 What does the passage mainly discuss?
The purpose of the "guncotton" mentioned in paragraph 2 was to

选项 A、trap particles for analysis
B、slow the process of putrefaction
C、increase the airflow to the microscopic slide
D、aid the mixing of alcohol and ether

答案A

解析

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托福（TOEFL）

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What does the passage mainly discuss? The purpose of the "guncotton" mentioned in paragraph 2 was to

托福（TOEFL）

Completethesummarybelowusingwordsfromthepassage.ChooseONEWORDONLYfromthepassageforeachanswer.Writeyouransw

MichaelKrausshasfrequentlypointedoutthat

Howlongwillthecustomer’scourselast?Whatisthecustomer’simpressionofthefemaleArabicteacher?

YoucanbuyPhonecardsofdifferent______fromvariousshops.

Whichtwothingsareuncommoninruralareas?Whichareasgenerallyhavemoreconservativepopulations?

WhichTWOkindsofproduceareespeciallysuitedtothenutrientfilmtechnique?A．peasB．beansC．potatoesD．yam

STUDENTBANKINGNote:Maynotbeallowedallfacilitiesgiventoresidentstudents.FundingMustprovide【T14】______.Icans

Completethesentencesbelow.WriteNOMORETHANTWOWORDSforeachanswer.JobsatisfactionstudyThevarioussub-groupswere_

(Most)femalelizardslayeggs,butthefemales(ofanumber)of(lizardspecies)bear(her)youngalive.

(Until)theGeorgeWashingtonBridge(wasbuilt),modernsuspensionbridgeswerestiffenedwithsteeltrussesandbeamsto(limi

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ChildrenintheUKarenotreadingenoughathome,favouringtelevisionandcomputergamesinstead,accordingtonewresearch.

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我国目前法律规定设置国有资产监督管理机构的层次是(　　)。