课件14张PPT。
重难点精讲八年级(下)Unit 7
考点1 try one's best的用法
考点2 up短语小结
考点3 worth的用法
考点4 not only...but also...的用法
(2011年衡阳31题)
考点1 try one’s best的用法
◆try one’s best to do sth. 表示“尽力做某事”。如:
I tried my best to find the answer quickly. 我尽力快些找出答案。
【知识拓展】
◆try to do sth. 意为“努力做某事”或“企图做某
事”。如:
You should try to work hard, if you want to get
good grades. 如果想成绩好,你就必须努力学习。
重难点精讲返回目录 返回目录重难点精讲
◆try doing sth. 意为“试着做某事”。如:
You can do it. Just try doing it. 你可以的,只要
你勇于尝试。
◆try 构成的常用短语
try out 试验,试用;try on 试穿,试戴。如:
What you should do is try your idea out.
你能做的就是把你的想法,变为实际行动。
What a beautiful diamond! Try it on!
好漂亮的钻石呀,快试试!
重难点精讲返回目录
【现学现用】
1. The doctors said that they would try their best ____the boy’s life.
A. saved B. saving C. to save
2. I tried ____these problems by myself. And I succeeded finally.
A. to solve B. solving C. solve CB
考点2 up短语小结
cut up切碎,剁碎 eat up吃光,吃完
stay up 熬夜 clean up 打扫,清理
open up 开放 pick up 捡起,搭载某人
wake up 唤醒,醒来 end up 结束
make up 组成 hurry up 加快,快点
think up= come up with 想出,提出
set up 建立,创立 fix up 修理,安装
put up 张贴,搭建,举起(手)
重难点精讲返回目录
cheer up 使……振作,振奋,使……高兴
use up = run out of 用完,用尽
call up 打电话 stand up 站起来
mix up 混合 get up 起床
返回目录重难点精讲
【现学现用】
3. Don’t ____ before exams. Or you may feel tired and fail the exams.
A. stay up B. mix up C. get up
4. The classroom is tidy and clean, because we ____ it ____ every day.
A. cheer;up B. use; up C. clean; up
返回目录重难点精讲AC
考点3 worth的用法
◆worth作形容词,意为“值得……的”,“价值
是……”,与be动词构成系表结构,在句中常作表
语,一般不作定语。常用结构有be worth doing/
be worth+名词或代词。如:
The film is worth seeing. 这部电影值得一看。
The car is worth two hundred thousand dollars.
这部车值20万美元。
返回目录重难点精讲
注意:(1)be worth doing意义是表被动,但形式
上要用主动形式,动词的现在分词必须是及物动词
或相当于及物动词的短语。如:
The music is worth listening to.
这首曲子值得一听。
(2)too,very,quite等副词不能修饰worth,但
可用well,really来修饰。如:
The book is well worth reading.
这本书很值得一读。返回目录重难点精讲 ◆worth作名词,意为“价值、品质”。如:
It is a picture of great worth. 这是一幅极有价值
的画。
【现学现用】
5. The digital camera is ____1000 yuan.
A. pay B. take C. worth
6. The fiction film is so interesting for us that
it’s worth ____ again.
A. see B. seeing C. to see 返回目录重难点精讲
CB 返回目录重难点精讲考点4 not only... but also... 的用法
(2011年衡阳31题)
not only... but also... “不但……而且……”,是并列连词,用来连接相同的句子成分,强调but also引出的内容(also可以省略)。
◆not only... but also... 连接主语时,句子的谓语动词要遵循“就近原则”,即和but (also)后的名词和代词的数一致。如:
Not only she but also her brothers were invited. 不仅她就连她的哥哥们都被邀请了。
返回目录重难点精讲
◆连接两个分句not only位于句首时,前一个分句需倒装,即谓语或部分谓语提到主语的前面,but(also)后的分句仍用陈述句语序。如:
Not only is the book long, but also it is boring. 这本书(内容)既长又枯燥。
【现学现用】
7.—(’11衡阳31题)Do you like your new T-shirt?
—Yes. Not only I but also my mother ____ it.
A. likes B. like C. doesn’t like
返回目录A
8. Not only you but also he ____ to buy the book.
A. want B. wants C. wants to
9. Not only ____ this machine but ____ it.
A. he can run; can he repair
B. can he run; he can repair
C. he can run; he can repair
返回目录重难点精讲BB