A New finding about the upper atmosphere B Stratosphere C Ionosphere D The composition of the permanent gases in the atmosph

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问题 A  New finding about the upper atmosphere
B  Stratosphere
C  Ionosphere
D  The composition of the permanent gases in the atmosphere.
E  The suspension of dust
F  Tropophere
*

选项

答案A

解析

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A New finding about the upper atmosphere B Stratosphere C Ionosphere D The composition of the permanent gases in the atmosph

职称英语理工类基础

职称英语

EverybodywasgladtoseeMaryback.

ManyAmericanwomenhaveapoorknowledgeofcancer.ACOG’seffortstoeducatewomenaboutcancerwillbegreatlyappreciated.

Themainideaofthispassageisthat______.Whichofthefollowingstatementsistrue?

Themainideaofthispassageisthat______.Accordingtothepassage,ifthereareonehundredChinesemensmokersintheroo

Throughamixtureofgreedandintelligence,hehasbecomethebiggestlandownerinthewholedistrict.

HomeSchoolingAllchildrenintheUnitedStateshavetoreceiveaneducation,butthelawdoesnotsaytheyhavetobeeducated

1.Ifyouwanttostayyoung,sitdownandhaveagoodthink.ThisistheresearchfindingofateamofJapanesedoctors,whosa

SomeThingsWeKnowaboutLanguageManythingsaboutlanguageareamystery,andmanywillalwaysremainso.Butsomethings

SleepLetsBrainFileMemoriesTosleep.Perchancetofile?FindingspublishedonlinethisweekbytheProceedingsoftheNa

TryingtoFindaPartnerOneofthemoststrikingfindingsofarecentpollintheUKisthatofthepeopleinterviewed,one

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