第17课时 九年级 Unit 1~Unit 2
精讲*精练
一、I study by working with a group.我通过小组活动来学习。
(1)“by+doing”结构在句中作方式状语,表示做某事的方法、方式或达到某种结果而采取的手段。
(2)常用来回答how引导的方式状语从句。
(3)by是介词,意为“以,凭借,通过”。
表示“凭借……交通工具”时,后接交通工具名词;(指时间)可意为“不迟于;到……时为止”;也可表意为“在附近”。
例:She usually goes to school by car.
她通常乘小汽车上学。
Can you finish your homework by six o'clock?
你能在六点之前完成作业吗?
He is standing by the river.
他正站在河边。
相关短语:by oneself独自地;by mistake无意地;by accident偶然地;by the end of到……末为止。
【同步练习】
1.She learns English by__listening__to__tapes.(对画线部分提问)
__________ _________ she learn English?
2.Working with friends improves my English.(同义句转换)
I improve my English _________ ________ with friends.
3.格林先生以教书为生。
Mr.Green makes a living _________ teaching.
4.我得在晚上10点钟之前回家。
I have to be home __________ 10:00 p.m.
5.他在火车站偶然遇到了他的一位老校友。
He met with an old schoolmate of his ________ _________ at the railway station.
二、I don't know how to increase my reading speed.我不知道怎么提高我的阅读速度。
(1)动词不定式前面加上疑问词what,which,when,where,how等,用在know,tell,wonder,ask,learn,find out等动词或短语之后作宾语。
(2)“特殊疑问词+动词不定式”构成的短语在句中当“名词”用,可以改写成相应的宾语从句,在这种宾语从句中,疑问代词后面必须接及物动词或相当于及物动词的短语(who,why除外)。
【同步练习】
1.我们计划去北京,但还没决定何时去。
We are planning to go to Beijing,but we haven't decided _______ _______ _______.
2.I really don't know what I can do to help her out.(改为简单句)
I really don't know what _______ _______ to help her out.
3.Often we don't know where we can go on Sundays.(同义句转换)
Often we don't know _______ _______ go on Sundays.
三、What a great day!多么美好的一天啊!
what引导的感叹句,主要有以下几种情形:
(1)What+(a/an)+形容词+可数名词单数+主语+谓语!
(2)What+形容词+可数名词复数+主语+谓语!
(3)What+形容词+不可数名词+主语+谓语!
how引导的感叹句,主要有两种情形:
(1)How+形容词/副词+主语+谓语!
(2)How+形容词/副词!
【同步练习】
1.瞧!雨下得多大啊!
Look!What _______ ________ _______!
2.你们自己算出了这道数学题。多么聪明的孩子啊!
You've worked out the math problem yourselves._______ _______ children you are!
3.Our school is beautiful.(改为感叹句)
________ _______ our school is!
四、die,dead,death,dying辨析
词语
词性及含义
例句
die
动词,意为“死亡”,强调动作。
Fifteen people died in the car accident.在这次车祸中有15人死亡。
dead
形容词,意为“死亡的”,表示