【重点知识】沪教版初中英语七年级下册.Doc

1.savevt.拯救；解救

Eg.Let’sdosomethingtosavetheanimalsindanger.

Thepolicesavedthechildfromthefire.

【拓展】save“节省、储蓄”

Eg.savemoneysavetime

【变形】safeadj.safetyn.

2.discussvt“讨论”后接名词（短语）或wh-从句及wh-短语

discussionn.

Eg.Wediscussedtheproblem.

Wewilldiscusswhoshoulddoit.

Wewilldiscusswhattoteachnextterm.

3.leafn.“树叶”

复数：leaves

Eg.Thefallofoneleafisenoughtotellthecomingofautumn.一叶知秋。

Theleavesturngreeninspring.变绿

4.help+do=help+todo“帮忙做……”

help+名词+（to）do

“帮（某人）做……”

Eg.Ihelped(to)washthecar.

Ihelpedhim(to)lookforhiskey.

【拓展】help+with...或help+名词+with...“在某方面帮忙”

Eg.CanIhelpyouwithyourwork?

Canyouhelpmewithmyhomework,Mary?

5.fightfor...“为……而战”

fight过去式：fought

fightagainst“与……作斗争”

Eg.Heisfightingagainsthissickness.

Theyfightforfreedom.

6.providesb.withsth.=providesth.forsb.

提供给某人……，为某人提供……

Eg.Sheepprovideuswithwool.=Sheepprovidewoolforus.

7.inmanyways“在许多方面”

【短语】bytheway顺便说一下

inaway在某种程度上

inthewayofsb.妨碍某人

onthewayto...在去……的途中

inthisway用这种方法

8.keep“使维持（某种状态）”

keep+名词+形容词

Eg.Thenoisekepthimawake.

keep+名词+副词/介词短语

Eg.Don’tkeeptheboyoutside/intheroom.

keep+名词+doing

Eg.Shekeptmewaitingforhalfanhour.

9.takein...“接受……，吸收……”

Eg.Thekindmanwouldliketotakeinthepoorboy.

Fishtakeinoxygenthroughtheirgills.

鱼用鳃吸氧气

10.breathe[i:]v.呼吸

breath[e]n.

11.make普通用词，指任何东西的制造或制造过程

Eg.Hemadethedeskhimself.

produce正式用词，除表示大量生产制造外，还表示创造

Eg.Thetreewillproducesomeblossomnextyear.

12.infact实际上，事实上。用作状语，用于强调或订正前句。

Eg.Hedoesn’tmind.Infactheispleased.

13.lookaround=lookround“四下环顾”vt./vi.

Eg.Lookaroundyoubeforecrossingthestreets.

朝各方向看看

Don’tlookaroundwhenyoustudy.

学习时，别东张西。

短语：

1.turnoff关掉turnon打开

2.abit一点