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）

Youshouldspendabout20minutesonQuestions27-40,whicharebasedonReadingPassage3below.Theac

Lookatthefollowingpeople(Questions20-22)andthelistofopinionsbelow.Matcheachpersonwiththeopinioncreditedtohim.

Answerthequestionbelow,usingNOMORETHANTHREEWORDSfromthepassageforeachanswer.Writeyouranswersinboxes11-13on

CompletethesentencesbelowwithwordstakenfromReadingPassage1.UseNOMORETHANTHREEWORDSforeachanswer.Writeyoura

Completethesummaryusingthelistofwords,A-l,below.Long-termmemoryVariousresearchershaveexam

CommunicatingStylesandConflictKnowingyourcommunicationstyieandhavingamixofstylesonyourteamcanprovideapositiv

CommunicatingStylesandConflictKnowingyourcommunicationstyieandhavingamixofstylesonyourteamcanprovideapositiv

Questions5-8CompletethefollowinginformationabouttheflighttimesusingNOMORETHANONEWORDORATIMEforeachgap.

Inadditionto(appropriating)the(subjectmatter)ofmassculture,thepopartmovementofthe1950’s(utilized)various(tech

CancerandChemicalsLastyear,CaliforniagovernorGeorgeDeukmejiancalledtogethermanyofthestate’sbestscientificmi

在下列项目中被列入《世界遗产名录》的有()。

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A、Tocompeteforcustomers.B、Toreducethesizeoftheirstaff.C、Toprovideservicesfordistantclients.D、Toexpandtheirop