新概念英语第四册重要知识点：Spare that spider已发布，欢迎大家查看。新概念英语第四册内容主要针对的是基础比较薄弱的同学，为了方便同学们可以更好地巩固英语基础，小编还整理了新概念英语第四册课文、新概念英语第四册音频相关内容，便于同学们一起学习!
New words and expressions 生词短语
flocks and herds 牛群和羊群
/flCk/ the birds of the same feather flock together.物以类聚，人以群分
you are the same flock.也可指人
herd多指牛群cowherdcowboythrong and crowd swarm
owe /[U/ vt.感激欠 i owe you.i owe you a big favor. 欠issue
obligeindebt appreciate----常用口语词 正式：gratefulthankful
beast /bi: st/ n 兽形容人野蛮无比，不能用animal 形容
creature可以指小孩，女人，不用于男性.
fraction / 'frAkF[n/ n.小部分 分数，小数 a fraction of rice will suffice
on one's behalf 代表...利益
I beat you on your behalf.我打你是为你好 on behalf of somebody /something
e.g on behalf of chinese government on behalf of=represent
authority /C:'WCriti/ n.权威authorize批准 authoritative权威性的
authoritarian独裁的
-tarian带有这种词缀的词都是坏词 dictator独裁者dictatorial独裁的
authorities 1.权威(可单数可复数) 2.当局(复数)
census /sens[s/ n.统计数据the fifth national population census.censor审查
censorious 挑剔的，挑刺的
acre /'eik[/ n.英亩 1acre=4047square meters
football pitch 足球场 football yardfootball court football field
be content with 满足于 满足作表语，不能出现定语结构
He is content with status quo.contented heart :心满意足的人
spare /spZ[/ v. 不伤害，宽恕spare meHe doesn’t spare himself.
I spare no efforts to learn english.( spare no efforts: 不遗余力作什么)
Notes on the text 课文注释
why, you may wonder-you may wonder why插入语 先不管插入语，弄清句子结构
you may wonder why spiders should be our friends?插入语位置不固定
why以疑问句 开头
why,you may wonder,the problem of pollution befalls human beings.
why,you may wonder,one of my friends is so kindhearted.
destroy程度比damage要重得多，片甲不留，消灭光
tear into pieces
dear enemy
greatest enemies:天敌dying enemycrying enemy
human race:人的种族，一般不加复数，表示一个总称词
impossible 和possible 永远不要以人开头
It is impossible for somebody to do something.
likely可以以人做主语。i am likely to go. probable 也不以人做主语
they would表示假设
devour狼吞虎咽devour the food
make a cake of myself make a god of myself
devour the book
it虚拟语气 前面是主句，下面是条件句
前面一般的加动词devour,后面用一般过去时
If it were not for:如果这不是因为
I would not survive if it were not for his timely help.
but for 一定是虚拟语气=if it were not for
owe感激，欠 i owe you.
引出主题all of them put together:把他们堆到一起
destroyed 后置定语，重心转到 spider 谓语动词是kill
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