Unit1 Past and Present-Welcome to the unit知识点整理及练习（含答案）

8BU1
Comic strip & Welcome to the unit
【知识梳理1】present / prez( )nt/ n.现在，目前；礼物，赠品
v. 呈现 adj. （人）在场的，出席的 (P6)
Sandy bought a birthday present for her mother.
Sandy为她母亲买了一件生日礼物。
[拓展]at present，意为“目前，现在”
The air pollution is more and more serious at present.
目前空气污染越来越严重了。
in the past，意为“在过去”
I used to go there often in the past.
过去我常去那里。
[拓展]谚语
机不可失，时不再来。
There is no time like the present.
[经典例题]
(1)Shenzhen is a modern city at ______ present, but it was a small village in ______ past.
A. the, the B. / , / C. the, / D. /, the
答案：D
【知识梳理2】I’ve just eaten it.(P6)
我刚刚把它吃了。
just作为副词使用，意为“刚才”，强调最近刚发生的事情。
I have just read that comic book.
我刚读过那本漫画书。
[辨析]just和just now
(1)just，意为“刚才”，常用于现在完成时，置于行为动词与助动词之间。
He has just got a new job.
他刚找到一份新工作。
(2)just now，意为“刚才”，表达的是过去的含义，常用于一般过去时。
I lost my chemistry book just now.
我刚才丢了我的化学书。
[拓展]just，还可以作为副词使用，意为“恰恰，正好”，不用于否定句中，相当于exactly。
This jacket is just my size.
这件夹克正合我的尺码。
[巩固练习]
(1)―Did you see Mr Lin come in just now ,
―Sorry, I________(look) for my book at the moment.
答案：(1)was looking
[经典例题]
(1)I'm sorry you've missed the train. It ______ just now
A. will leave B. has left C. left D. leaves
(2)—I have ______ finished my homework. What about you —I finished it ______ .
A. just; just B. just now; just now C. just; just now D. just now; just
(3)— Have you finished writing your email to your friend ________
— Yes, of course. I have __________ finished writing it.
A. yet, just B. already, ever C. before, just now D. ever, never
(4)—______ Tom ______ here just now
—No. I haven’t seen him since yesterday afternoon.
A. Has; come B. Did; come C. Has; been D. Does; come
(5)Millie ______ her homework just now. But I ______ mine. I shouldn't watch TV first.
A. has finished; haven't finished B. finished; don't finish
C. finished; haven't finished D. has finished; didn't finish
答案：CCABC
句意：
(1)很遗憾你没赶上火车。它刚刚开走了。
(2)—我刚刚写完了作业，你呢？
—我也刚刚写完了。
【知识梳理3】You’ve changed, Eddie.(P6)
你变了，Eddie。
change，/t e nd /，作为动词使用时，可以是不及物动词，也可以是及物动词，意为“改变；变化；转变、转换”。
Over the past ten years things have changed.
在过去的10年中，情况已经发生了变化。
来源：《柯林斯英汉双解大词典》
You need to change your eating habits.
你得改变你的饮食习惯。
[单词记忆]change，可以联想为嫦娥，女大十八变，越变越好大，以前的丑小鸭几年不见，竟然和嫦娥一样漂亮了。
[拓展]change，也可以作为名词使用，意为“改变；变化”
There have been many changes in recent years.
近几年发生了许多变化。
来源：《牛津词典》
[巩固练习]
(1)在过去的二十年中，扬州发生了很大的变化。
(2)自从二十一世纪以来，扬州变化很大。
(3)年轻人时不时地换工作是不好的。
(4)十五年来，我的家乡发生了巨大的变化。
答案：(1)Over / In / During the past 20 / twenty years, Yangzhou has changed a lot. / There have been great changes in Yangzhou. / Great changes have taken place in Yangzhou.
(2)Yangzhou has changed a lot since the twenty-first century.
(3)It’s not good for young people to change jobs from time to time.
(4)My hometown has changed a lot over fifteen years.
[巩固练习]
(1)Everything _______ (change) a lot over the years in the modern city.
答案：(1)has changed
[经典例题]
(1)—What changes _______ in your lives
—Our lives have changed a lot.
A. have there had B. has there been C. have there been D. has there had
(2)—Would you mind my _______ the channel
—_________. My favourite programme is on the way.
A. changing;Not at all B. to change;I hope so
C. changing; Better not D. to change;I’m afraid not
(3)Amazing changes_____place _____ three years ago.
A. took, for B. was taken, since C have taken, since D. has taken, at
(4)My hometown ______ poor in the past. But it ______ a lot over the past twenty years.
A. was; has changed B. has been; changed
C. was; changed D. has been; has changed
(5)—Do you remember when you last ______ Beijing
—Ten years ago. I hear great changes place ______ in the last ten years.
A. visited; took B. have visited; took C. have visited; have taken D. visited; have taken
(6)There _______ great changes in my hometown since 1989.
A.Is B. are C. has been D. have been
(7)—Has your hometown changed ______
—Yes. There are ______ tall buildings now.
A. a lot; a lot B. a lot; a lot of C. a lot of; a lot D. a lot of; a lot of
(8)—What a new look our city has!
—Yes. Great changes ______ since 2008.
A. take place B. took place C. have taken place D. are taking place
答案：CCCAD DBC
句意：
(1)—你们的生活发生了什么变化？
—我们的生活变化很大。
(2)—介意我换台吗？
—最好不要吧。我最喜欢的节目要开始了。
(3)从三年前开始，惊人的变化发生了。
(4)我的家乡以前很穷的，但是在过去的20年里，它的变化很大。
(7)—你的家乡是不是变化很大？
—是的，现在有了很多高楼。
【知识梳理4】You used to be so kind to me.(P6)
你过去对我那么好。
1.used to do sth. 是一个固定结构，意为“过去常常做某事”，表示过去的某种状态或经常性、习惯性的行为或者动作，并意味着这种状态或动作目前已经不存在，所以它只能用一般过去时，不能用现在时态。
(1)陈述句的肯定形式：主语+used to do sth.
My father used to work there.
我爸爸曾在那儿做事。
[巩固练习]
(1)我过去常常通过电子邮件和他保持联系。
(2)我们过去常常在公园里打牌和下中国象棋。
(3)这个地方过去是一所学校，但是现在已经变成一个机场了。
(4)过去从无锡坐火车去北京要花上十多个小时。
(5)你知道它过去像什么样子吗？
答案：(1)I used to keep in touch with him by e-mails.
(2)We used to play cards and Chinese chess in the park.
(3)This place used to be a school, but now it has become an airport.
(4)It used to take more than ten hours to take a train to Beijing from Wuxi.
(5)Do you know what it used to look like
[巩固练习]
(1)我的家乡在过去的五年里变化很大。过去这有很多大型工厂。现在政府已迁走所有工厂。这里空气清新，没有污染。
(2)这儿过去有很多水污染。
答案：(1)My hometown has changed a lot in the past five years.There used to be many big factories here.The government has moved them all away, so the air is fresh and there is no pollution.
(2)There used to be a lot of water pollution here.
[经典例题]
(1)He __________ a waiter, but now he ___________ a general manager.
A. used to be; became B. used to be; has become
C. was used to; became D. was used to being; has become
(2)_______ many fish in the river, but now we can’t see any.
A. There was B. It used to be C. There used to have D. There used to be
(3) We ___________ six days a week, but now we only work five days.
A. used work B. used to work C. used to working D. are used to work
(4)My hometown has changed a lot. It is quite different from what it __________.
A. used to have B. was used to have
C. used to be D. was used to being
(5)My father _______ work on the farm, but he is a driver now.
A. is used to B. was used to C. used to D. gets used to
(6)The modern city is quite different from what it _______ some ways.
A. was used to be in B. used to by C. used to be in D. was used to being in
(7)Mr Jiang isn’t busy now because there _______ no home robot to help others.
A.used to be B. may be C. used to have D. may have
(8)We’ll never forget the village in which there ____________ a hill and a beautiful lake.
A. used to be B. used to have C. was used to being D. was used to having
(9)There ________some small restaurants and shops near our primary school.
A. used to be B .used to have
C. was used to be D. was used to go
(10)—Where’s my book
—It ______ on the desk a moment ago.
A.Has been B. was C. is D. used to be
答案：BDCCC CAAAB
句意：
(1)他过去是一个服务生，但是他现在已经成为总经理了。
(2)过去河里有很多鱼，但是现在我们看不到鱼了。
(4)我的家乡变化很大。它和过去的样子不同了。
(10)—我的书呢
—它刚才还在桌子上呢。
(11)[2017.常州]I’ll never forget the town in which there________a clean river and many big tall trees.
A.used to be B.used to have
C.was used to being D.was used to having
答案：A
句意：
(11)我永远都不会忘记那个小镇。那个小镇有着干净的小河和许多大树。