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八上Unit 2 Section A
频度副词:表示单位时间内动作发生的次数。
常见的频度副词和频度副词短语：
always,usually,often,sometimes,hardly ever,never
every+时间单n
once/twice/three times a week/a month
用法：1）位置：be,助，情后,实义动词前； sometimes:句首/中/后）
Tom is always late for class.
Tom ________ ________ late for class.(always否定句中变为never)
2） 用how often 提问
a. They have to read every morning.
b.My best friend goes to the movies once a month.
3）区别： how many times与 how long
He plays the piano twice a week. (提问)
对twice:________ ________ ________ does he play the piano？
对twice a week:________ ________ ________ he play the piano？
b. It took him half an hour to wait for his friend yesterday. (划线提问)
________ ________ ________it take him to wait for his friend yesterday
hardly adv. 几乎不
hard adj.困难的；艰辛的 同：difficult hard work
adv. 努力地 work/study hard
a.Mike studies math________.
b.I can________do this________work.
3. maybe adv. 大概，或许 (常用于句首)
may be 情态动词may+动原 可能是/在...
a.________he is right.
=He ________ ________right.
b.Eric 也许知道这个问题的答案。
________Eric ________the answer to the question.
=Eric ________ ________ the answer to the question.
4. full adj.
忙的 反：busy
Next month is quite full for me.
=I’m quite busy next month.
饱的 反：hungry
I can’t eat any more.I’m quite________.
满的 be full of
The room is full of people.
Section B
health un.健康 be/keep in good health
healthy adj. 健康的 be/keep healthy 反：unhealthy
healthily adv. 健康地
Junk food is _______ food. It’s bad for our __________.
He likes eating fruit and vegetables. So he eats________.
We should eat________food to keep________./________
2. although=though conj. 尽管，虽然 引导让步状语从句 (不能与but连用)
a._________ he is tired, he didn’t stop working.
= He is tired, _______ he didn’t stop working.
b.The girl is young, ________she knows a lot.
=________the girl is young, she knows a lot.
3. through prep. 1) “穿过”， 从物体的里面穿过
2)“通过，凭借”+ n
across prep. “穿过”， 从物体的表面穿过 go/walk across=cross
a. We walked________the park after dinner.
b. Go _______ the street and you can find the bank.
c.We can keep healthy ________exercise.
such+n such people/clean air
such+a/an +adj+n such an excellent student
such as 例如，像……这样 + n./doing
a. Tom likes having healthy food, such as milk and eggs.
b.He likes sports, such as________(run) and_______(skate).
c.I have a lot of hobbies,such as reading and singing.
5. however adv. 然而 句首/中/末 逗号隔开
but conj. 但是 句中 不打逗号
We tried our best, ________, we lost the game.
________ we lost teh game.
6. percent of ... 百分之.. . （谓动和n 保持一致）
a.10 percent of the students ________(not come) from Chongqing.
b.30 percent of the water________(be) dirty.
7. die v. 死亡，消失 过：died 现分：dying
dead adj. 死的
death n. 死亡
a.His grandfather ________two years ago.
b.The bird was________.So I felt sad.
none
none 不定代词，指三个或以上，“没有人，没有物”
与of连用 none of + 代宾/ 限定词+cns+ 单谓/ 复谓
回答how many 用none
no one “没有人”，
后不能跟of 连用
回答who用no one.
a. None of us likes/like the stories.
b. ----How many students go skating on weekends
----________.
c. ----Who goes skating on weenends
----________.
by prep.
by + doing sth 通过做某事
交通工具
地点
Her family keep healthy by swimming.
together adv. 一起，共同
1)get together 聚在一起
2)do sth together 一起做...
3)A together with B (谓动由A决定)
The girl together with her parents ________(run) every Saturday.
=The girl and her parents ________every Saturday.
surprise
1) n. 惊喜 get a surprise 吃惊 in surprise 惊奇地，惊讶地
to one’s surprise 令某人吃惊的是
2) v. surprise sb
3) adj surprised (人) be surprised at.../that+从句
surprising (物)
a. We were surprised that he came back on time.
b. Helen is _____________ at the ___________ news.

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