牛津英语上海版八年级下课本知识重点.doc

Unit1
1 average 平均的；平均数
The average age of the students is 15.
2 item 一件物品；节目；项目
She had the most expensive item on the menu.
3 product产品 [C]
a product many products
区别goods, goods生来复数
4 fighter 斗士；战士--注意复数
fight-fought-fought
fight against pollution对抗污染
fight for freedom为自由而战
5 fact 事实
in fact事实上；实际eg; She looks young, but in fact she is 54 years old.
6 scientist科学家—注意单复
science科学 scientific科学的
7 be interested in对…感兴趣
be keen on/really like
have interest in/show interest in
have no interest in…
in是介词;介词后面跟doing
8 suppose认为；假设；假定；推断
Eg; I suppose prices will go down.
Scientists supposed that large dinosaurs lived in swamps.(沼泽)
9 breathe呼吸
Eg; The air was so cold that we could hardly breathe.
Most people don’t realize that they are breathing polluted air.
breathe in吸入
His illness is the result of breathing in harmful gases over many years.
breathe out呼出
Human beings breathe in oxygen and breathe out carbon dioxide.
breath n.
out of breath 上气不接下气
take a deep breath深呼吸
10 gas---gases 气体；气态；煤气
11 release---let…out释放
Four prisoners were released
12 produce=make 制造
13 alive活着的；健在的
be alive
Lu Xun isn’t alive while Han Han is alive.
区别living; living things生物
14 as well as
Eg; The captain, as well as the passengers, was saved.
The captain and the passengers were saved.
She is beautiful as well as clever.
15 nature---natural
16 warn sb not to do sth.警告某人不要做某事
warn---warning
17 protect保护
protect A from B stop A fromB
prevent A fromB save A from B
keep A from B
18 chemical化学的；化学物质
chemistry化学---chemical
19 join the army参军（组织）
Would you like to join us?
join in=take part in参加活动
attend 出席（学校；会议；俱乐部）
20 communicate with sb和某人交流沟通
communicate with one another/each other相互交流沟通
21 one another=each other
one another侧重三方以上的相互 each other双方的相互
22 burn---burnt---burnt
burn---burned---burned
23 replace=take the place of sb/sth
24 hardly any=almost none hardly any没有什么东西
25 main---mainly
26 lorry---lorries
27 make sb do让某人做某事
28 thank sb for doing sth感谢某人做了某事
29 belong to sb sb是宾格；属于;无进行无被动
30 by doing sth/ by not doing sth
通过做某事/通过不做某事
31 what good=what advantages什么好处
32 what else 别的什么；其他的..
33 五个感官动词look sound smell taste feel加形容词；注意look和look at；注意well
34 too在否定句中变成either
35 certain---certainly当然
36 for example加句子有逗号such as 加名词或动名词
37 remind sb of sth使某人想起什么；提醒某人某事
38 contain—container
39 区别protect…from…和protect…by…看意思