高二英语教材知识点总结及重难点解析Unit13-14

☆重点句型☆
1.lifeintheoceansrangefromthetiniestplantsallthe
   wayuptogiantslikesharksandwhales.
2.waterisactuallyquitesimple,butthewaythewater
   moleculeisformedgiveswateritsuniqueproperties.
3.theyformapolarmolecule,thatis,onewithaslightly
   positiveendandaslightlynegativeend.
4.thesalinityoftheearth'soceansisaboutthirty-five
   partsperthousand,meaningthatthereareabout35
   grammesofdissolvedsolidsandgasesinonekiloof
   water.
5.heatcapacityistheamountofenergyittakestoraise
   the temperature ofasubstance by one degree
   centigrade.
6.water,whichseems,sosimpleandcommon,iswhat
   makeslifepossible.
7.freedomfighterscanbefoundeverywhereandtheyare
  ofalltimes.
8. fromthelateeighteenthcenturytowellintothe
   nineteenthcenturydifferentpeoplestruggledfortheir
   rights.
   ☆重点词汇☆
1.sailorn.水手
2.transportn.&vt.运输
3.rangevi.&n.变动
4.hydrogenn.氢
5.oxygenn.氧气
6.relativeadj.相对的
7.solidn.固体
8.freezingadj.冰冻的
9.pureadj.纯净的
10.relationshipn.关系
11.floatv.漂浮
12.decreasevi.变小
13.centigradeadj.摄氏温度的
14.absorbvt.吸收
15.stableadj.稳定的
16.steadyadj.平稳的
17.trustvt.信任
18.nurseryn.保育院
19.freedomn.自由
20.civiladj.国内的，公民的

21.murdervt.&n.谋杀
22.revolutionn.革命
23.slaveryn.奴隶制
24.souln.灵魂
25.arrestvt.逮捕
26.racen.人种；赛跑
27.marriagen.结婚
28.forbidvt.禁止，不许
29.politicaladj.政治的
30.demandvt.&n.要求
31.lawyern.律师
32.actn.法令
33.politicsn.政治
34.religionn.宗教
35.independencen.独立
36.abolishvt.废除
37.chaptern.篇
   ☆重点短语☆
1.benefitfrom从……得益
2.alltheway一直
3.takeadvantageof利用
4.giveoff释放
5.avarietyof种类繁多的
6.put...inprison把……投入监狱
7.joinhands联手
8.setanexampleto为……树立榜样
9.fromthenon从那时起
10.startwith以……开始
11.regardlessof不顾
12.atfirstsight乍一看
13.callin召集
   ☆交际用语☆
1.whatisitthatmakestheoceansuchagreatplaceto
  live?
2.thenutrientsiswhateverfallsintotheoceanwill
    quicklybecomeavailabletootherlivingthings.共21页，当前第1页123456789101112131415161718192021