必修二 unit4知识点全总结

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1、Unit4Wildlifeprotection语言点mercy【原句回放】Farmershunteduswithoutmercy.农民们毫不留情的猎杀我们【点拨】1.mercy(cn./un.)仁慈；宽容；怜悯Theyshowedmercytotheirenemies.Theshipwasatthemercyofthestorm.2.Adj.merciful仁慈的，宽容的。Shewasmercifultotheprisoners.【拓展】atthemercyofsb./sth.任……处置；对……无能为力；任由摆布throwoneselfonsb

2、’smercy指望某人能宽容withoutmercy残忍地showmercytosbhavemercyonsb同情可怜某人affect【原句回放】Itcontainsapowerfuldrugwhichaffectsmosquitoes.它含有一种影响蚊子的强效药物[来源:学_科_网]【点拨】affect (Vt.)影响；使感动。Thechangeinclimatemayaffectyourhealth.【拓展】Have/produceaneffecton对……有影响comeintoeffect生效；实施beofnoeffect无效的；无用的d

3、ecrease【原句回放】Iftheirhabitatisthreatenedortheycannotfindenoughfood，theirnumbersmaydecrease．如果它们的栖息地受到威胁或它们不能找到足够的食物，它们的数量就会减少。【点拨】decreasev.&n.(1)vi.&vt.降低，减少，使(变小)[搭配]decreasein在……方面减少from在……基础上减少to减少到……by减少了……[特别提示]decreasev.减少[近]reducev.减少[反]increasev.增加①Allpeopledesirean_

4、_______inwell-being(福利)．Theworkmenwantto___________theworkinghoursandtopayloss【原句回放】lossofbamboogrowingareas竹子生长地的丧失【点拨】lossn.(1)[U]损失；遗失；丧失Didyoureportthelossofyourjewellerytothepolice?(2)损失，损坏Thecompanysufferedaheavylossasaresultofthatmistake．(3)[C]输，未能赢Whatmadehimunhappyw

5、asthelossofyesterday’sfootballmatch．【拓展】thelossofsth.损失/丢失/输掉某物sufferaloss(of)蒙受损失makeupaloss弥补损失ataloss不知所措，困惑loseone’sway迷路loseoneself迷路，迷失方向；沉湎于loseone’sbalance失去平衡loseagame/matchby(以……之差)输掉比赛belostin沉迷于[联想](派生)losev.失去；丢失；损失；输lostadj.丢失的，失去的，输掉的losern.失败者reserve【原句回放】Wed

6、rovethecarslowlyandwatchedthelionsinthenaturereserve．我们慢慢驾车观察自然保护区里的狮子。(1)[C]保护区，禁猎区(2)[C]储藏，储备Imustkeepagoodreserveofenergyfortomorrow’smatch．Ihavelittlemoneyinreserve．(3)v.保留You’dbetterreservethemoneyforfutureneed．(4)v.(=book)预约，预订Wemustreservetwoseatsinthecinema．【拓展】afore

7、streserve保护林agamereserve禁猎区inreserve储备，备用withoutreserve坦率地，毫无保留地keepareserveof...for(=reservesth.for)保留……以备reservationn.保留地；居留地reservedadj.内向的；说话不多的unreservedadj.未被预订的[来源:Zxxk.Com][提示]reserve容易与deserve(应得；值得)混淆。contain【原句回放】Itcontainsapowerfuldrugwhichaffectsmosquitoes．【点拨】c

8、ontainvt.(1)包含；含有Thisbookcontainsalltheinformationyouneed．(2)容纳Thehallcanco