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）

WhyriskscangowrongHumanintuitionisabadguidetohandlingrisk.APeoplemaketerribledecisionsaboutt

CompletethesentencesbelowwithwordstakenfromReadingPassage1.UseNOMORETHANTHREEWORDSforeachanswer.Writeyoura

Youshouldspendabout20minutesonQuestions14-26whicharebasedonReadingPassage2below.THELOSTCITYThankstomodern

Youshouldspendabout20minutesonQuestions14-26whicharebasedonReadingPassage2below.THELOSTCITYThankstomodern

HowdidthetravellerhearaboutNewYork?Thetravellerlikedthedifferentkindsof______.

Whichtwothingsareuncommoninruralareas?Whichareasgenerallyhavemoreconservativepopulations?

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magnets本题询问吉他的特征。录音原文中指出，GeorgeBeauchamp通过使用一对马蹄铁形状的磁铁(horseshoe-shapedmagnets)，来增加音量(amplifiedthesound)。录音中的horseshoe-shape

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