7AUnit2知识点(上海教育出版社)

7A Unit2
1.talk about谈论
Let’s talk about hobbies.
Children like talking about their favourite stars.
talk to/ with sb.与某人交谈
Our teacher often talks to him.
My mother is talking with our neighbour.
2.That’s right, Lo.
辨析：That’s right. , All right.与That’s all right.
—There are 12 months in a year.
—That’s right.对
—Let’s walk to the park, shall we?
—All right.好的
Are you all right?
The trip was all right.
—I am sorry to trouble you.
—That’s all right.没关系
—Thank you so much.
—That’s all right.不用谢
3.once or twice a week每周一两次，是一个表示频率的副词短语，对其提问时用how often。

I watch TV once or twice a week.
—How often do you wash clothes?
—Once or twice a week.
表示一次once,两次twice, 表示三次或三次以上用“基数词+times”,此时time是可数名词，表示“词数”。

three times a day
twice or three times a week
4.never adv.从不，never通常位于连系动词、助动词或情态动词之后，实义动词之前，构
成否定语气句子。

I never come late.
He never writes to me.
5.brush vt.刷brush one’s teeth刷牙
Mary brushes her teeth three times a day.
brush [C]刷子；画笔。

其复数形式是brushes。

I need some brushes for painting.
6.tooth[C]牙齿，其复数形式是teeth
The girl has only four teeth.
7.watch television看电视，相当于watch TV
辨析：watch, look, see与read
8.ride a bicycle骑自行车ride vi./vt.骑（自行车/马）；乘（车）
Can you ride a bike?
I can’t ride a horse.
She often goes shopping by bike.
9.how long多长时间，询问某一动作或状态持续多久，故句中的谓语动词必须是延续性动
词或表示状态的连系动词。

How long is your May Day holiday?
How long can I keep the book?
how long还可用来询问长度。

How long is the river?
10.by介词，表示“由创造（编著，导演，作曲等）
I like the movies by Zhang Yimou.
Who is the article by?
11.so conj.因此；所以，表示结果
Lily is nice and kind, so everyone likes her.
I’m tired, so I want to have a rest.
12.on foot步行go to… on foot步行去某地，相当于walk to…
My father goes to work on foot every day.
辨析：on foot与walk
13.start vi.开始，相当于begin,与end或finish
vt.开始，后接名词、代词、动词不定式或动名词作宾语。

The basketball game starts at 4:00 p.m.
You may start.
The baby starts crying/ to cry.
14.seldom adv.不常；很少，通常置于行为动词之前，助动词、连系动词与情态动词之后。

I seldom play computer games.
15.be late迟到be late for……迟到
Tom gets up late in the morning, so he is often late for school.
16.be different from与……不同
People in different countries wear different clothes.
Anna is different from other girls.
different adj. difference n.区别；不同
Are there any differences between them?
17.break [U]休息have/ take a break休息一下，相当于take/have a rest.
Let’s have a break under the tree.
break v.打破；打碎break the window
18.ring vi.想起铃声The door bell rings.
1)ring vi.打电话Please ring me (up) when you are free.
2)n.打电话；环形物give sb. a ring a magic ring
19.end vi.结束；终止，其主语通常是物
Our morning classes end at 11:50 a. m.
end vt.结束；终止，主语通常是人。

She ended her email.
end n.结束；结尾at the end of在……末尾
20.take part in参加，常指参加（参与）某项工作、活动、游戏或会议等。

强调参加者有积极的态度，并起一定的作用。

take part in之后接名词或动名词。

Would you like to take part in the relay race?
Everyone can take part in gardening.
join加入,表示加入某一组织、党派、社会团体或某一人群中，从而成为其成员。

Join后常出现club, army, team, group以及人称代词宾格等。

join the swimming club
join the army join us
21.practice [U]练习
Playing the piano needs a lot of practice.
Practice makes perfect.
practice v.练习，训练,其后接名词、代词或动名词作宾语。

I often practice my English in the morning.
He practices playing the piano every day.
22.have a good time玩得高兴；过得愉快等于enjoy oneself和have fun
have a great time, have a wonderful time
We have a good/ great/ wonderful time in the park.=We enjoy ourselves in the park.
23.most adj.大多数，大部分，修饰可数名词（复数）或不可数名词
Most girls like beautiful clothes.
most pron.大部分
Most of them like football.
Most of my stamps are old.
24.some of……中的一些，其后接可数名词的复数形式或不可数名词，也可接复数宾格代词Some of the students wear black shorts.
Some of them walk to school.
26.play with和…一起玩
Danny is playing with his friends.
My father and mother often play with me.
play with sth.玩弄；摆弄
Tom, don’t play with the snow any more.
It’s dangerous to play with fire.
27.after lunch午饭后
after school放学后after class下课后after work下班后after dinner晚饭后28.between …and…在……和……之间
The building is between the school and the park.
We play sports between 4 and 5 in the afternoon.
辨析：between与among
See you later.
He came back two days later.
30.sometimes adv.有时
Sometimes, I play with my friends after school.
She sometimes goes to work by car.
We go home late sometimes.
31.at the end of在……末，在……的尽头
We want to come back at the end of August.
The hospital is at the end of the street.
by the end of到……末in the end最后，终于come to an end告终，结束
end up with以……结束
32.how often多久一次，询问动作发生的频率。

—How often do you exercise?
—Once a week.
—How often does Danny do some revision?
—Twice a week.
—How often does he come here?
—Once a month.
—How soon will he be back?
—In an hour.
—How long do you usually stay with your grandparents?
—About two weeks.
33.send vt.寄；送；派send sb. sth.寄/送给某人某物，相当于send sth. to sb. Send me a postcard from Hong Kong!
Let’s send these books to the library.
Don’t forget to send the letter to my father.
send for派人去叫/请
You should send for a doctor at once.
34.close vi.关闭；结束；停止，其反义词是open
The shop opens at 9:00 a. m. and closes at 7:00 p.m.
close vt. 关闭
Close the door, please.
close adj.近的，接近的
The chair is close to the window.
close adv.接近地，不远
How close do you stand when you talk to a friend?
35.cannot相当于can’t,是can not的缩略形式。

I cannot sing.
36.exercise [C]练习；体操，常和动词do搭配使用，作“体操“讲时多用复数形式。

Doing eye exercises is good for your eyes.
Let’s do the exercises on Page Ten.
Do you do morning exercises every day?
exercise [U]运动；锻炼
Most people need to do more exercise.
exerise v.锻炼
Mary seldom exercises.
37.a piece of
Mary seldom exercises.
a piece of 一张/一件/一片/一条……，常用来修饰不可数名词，表达数量。

a piece of music一首音乐 a piece of news一条新闻two pieces of bread两片面包
38.teach vt.教
Mr Green teaches us English.
We can teach you Chinese.
1)teach sth. to sb.把某物教给某人,相当于teach sb. sth.
She teaches Chinese to the kids.
2)teach sb. to do sth.
Miss Hu teaches us to dance.
3)teach sb. how to do sth.
She’s teaching the boy how to ride a bike.
4)teach oneself自学，相当于learn… by oneself
—Who teaches you English?
—I teach myself.
39.arrive vi. arrive in/at
Sometimes I arrive at the bus shop at 6:00 a. m.
They arrived in Beijing yesterday.
到达get to或reach
I usually get to school at seven.
40.cook vt.做饭，烹饪
cook n.厨师；炊事员
Do you often cook dinner at home?
His father is a cook in a big hotel.
41.help sb. ( to) do sth.帮助某人做某事
Let’s help the old man (to) do sth.
help (to) do sth.
Can you help ( to) water the flowers?
42.around prep.在……各处，到处，相当于all over
around the world around China
43.keep vt.记（日记、账等）
I keep a diary every day.
44.by + v.-ing靠做某事……，介词by通过……，凭（以）……
—How do you learn English?
—I learn English by listening to cassettes.
—How can I turn on the light?
—By turning this button.
45.think of …as…把看作/当作……，其同义词组have… as… ,regard …as…,其中as为介词，后接名词、代词、动名词等作宾语补足语。

I think of him as my friend.=I have him as my friend.= I regard him as my friend.
Let’s think of every dasy as Earth Day!。