考研英语真题及解析2.docx

文档介绍：2020年考研英语（二）真题及解析
SectionIUseofEnglish
Directions ：
(s)foreachn
canpromiseyouthis:Asaresultofworkingtowardthisgoal,youandyourchildrenwill
benefitand 20 from stressfulmoments feeling better physically and
emotionally.
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2
SelectionⅡ ReadingComprehension
PartA
Directions：
，B，.(40points)
Text1
Ratsandotheranimalsneedtobehighlyattunedtosocialsignalsfromothersso
thatcanidentifyfriendsto cooperatewithandenemiestoavoid. Tofindout ifthis
extendstonon-,
andhercolleaguestestedwhetherratscandetectsocialsignalsfromroboticrats.
Theyhousedeightadultratswithtwotypesofroboticrat —onesocialandone
asocial-