八年级上册第一单元section B 考点精讲

八年级上册第一单元section B 考点精讲

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【知识考点】


考点1because of because


【教材原句】We waited over an hour forthe train because there were too many people. 我们等了一个多小时的火车,因为人太多了。


【短语辨析】


because of + 名词/代词 =because + 句子


We have to cancel the picnic because of the heavyrain.


= We have to cancel the picnic because the rainis heavy.


因为大雨我们不得不取消野餐。


句子转换练习:


Ididn’t go to the cinema because of the cold weather.


= Ididn’t go to the cinema because the weather was cold.


因为天气冷,所以我没有去电影院。


Ididn’t go to work because of my illness.


= Ididn’t go to work because I was ill.


我生病了,所以没去上班。


【典例1


MoYan's books have been sold out in many book stores _______ his winning of theNobel Literature Prize.


A. because

B. since

C. as

D. becauseof


【答案】 D


【解析】根据句意:由于莫言获得了诺贝尔文学奖,他的书在许多书店都卖光了。hiswinning of the Nobel Literature Prize是名词性短语,所以用becauseof,故选D。


考点2 倍数表达法


【教材原句】We walked for another hour before we gotto the top of the mountain. 我们又走了一个小时才到达山顶。


语法分析


another + 基数词 + 复数名词 = 基数词 +more + 复数名词


another two hours = two more hours 又两个小时


We worked another four hours to solve thisproblem.


= We worked four more hours to solve thisproblem.


我们又工作了4个小时去解决这个问题。


another hour = one more hour 又一个小时


考点3: wonder的用法


【教材原句】


I wonder what life was likehere in the past. 我想知道过去在这里的生活是什么样的。


【语法详解】


 (1)wonder是及物动词,意为“想知道;琢磨”,后接 who ,what, why, where 等引导的宾语从句。


 I wonderwho she is. 我在想她是谁。


 (2)wonder后接that引导的宾语从句,表示“感到惊奇; 对······感到惊讶”, that常可省去。


 I wonder(that) she has won the race.我对她赢得比赛感到惊讶。


(3)wonder后接if或whether引导的宾语从句,常用来表示一种委婉的请求或疑问。


She wondered whether you were free thatmorning. 她想知道那天早上你是否有空。        

(4)wonder后接动词不定式短语, 表示“感到惊奇;对······感到惊讶”。


I wondered to see you there. 在那见到你我感到很惊讶。


【典例2】


—Some schools have used smart uniforms. I wonder___________.


—They can tell parents where their children are.


A. who invented them

B. what they are used for

C.when students wear them


【答案】B


【解析】句意:——有的学校已经运用了智能的校服。我想知道它们被用来做什么。——它们能告诉父母他们的孩子在哪儿。Wonder想知道,后接宾语从句。who invented them谁发明了它们;what they are used for它们用来干什么;when students wear them学生们什么时候穿它们。根据下面的答语They can tell parents where their children are可知,题目中问的是智能校服的用途,故应选B。


考点4feel like的用法


【教材原句】I felt like I was a bird.我觉得自己像只鸟。


feel like是动词短语,意为“给……的感觉;感受到


有以下两种结构:


 (1)feel like+从句,意为“觉得好像是……


     He feels like that hehas never been to such a place.  他觉得他好像从没到过这样的地方。


 (2)feel like+doing,意为“想做……


     I feel like giving aparty.  我想举行一个派对。


【典例3】


Mum feels like    soap operas. Let's buy a TV for her.


A. watch

B.watching

C.towatch

D.watches


【答案】B


【解析】句意:妈妈想要观看肥皂剧,让我们为她买一台电视吧。watchsoap operas是看肥皂剧,想要做某事,feel likedoing sth.,故选B。


考点5  forget的用法


【教材原句】…becausewe forgot to bring an umbrella… 因为我们忘了带雨伞。


【短语辨析】:forget to do sth.与forget doing sth.        


forget to do sth. 意为忘记要做某事(事情还没做)     


Don’tforget to close the window.


forget doing sth. 意为忘记做过某事(事情已经做过了) 


I forget closing the window.


【典例4


Look! The light in your bedroom isstill on


   —Sorry, I forgot        .


Ato turn it off

Bturning it off

C.to turn it up

D.turning it on


【答案】A


【解析】句意:——看!你卧室的灯还亮着。——对不起,我忘记关了。forgetto do sth表示忘记做某事,turn off表示关上,故选:A。


考点6 : wait的用法


【教材原句】We waited over an hour for the train because there were too many people. 我们等了一个多小时的火车,因为人太多了。


【拓展提高】


wait    v.等待


wait for sb./ sth.等待某人/某事            Ican wait for you at school.


wait to do sth. 等着去做某事      Everyone is waiting to take a shower.


wait (for) + 时间段  等待多长时间  


can’t wait to dosth. 迫不及待做某事


My littlebrother can’t wait to go out because he wants to play games outside.


我的弟弟迫不及待的出去,因为他想在外面玩儿游戏。


【典例5


Please try toget home on time. Don't keep us ________    . 


A. towait

B. waiting for

C.waiting

D.  to wait for


【答案】C


【解析】句意:请尽量按时回家,不要让我们等。keep sb. doing sth.让某人做某事,是固定短语,故排除A、D,wait是不及物动词,当后面没有宾语时不需要加介词for ,故选C。


考点7  感叹句


【教材原句】What adifference a day makes!一天之内变化真大!


【语法详解】


由what 引导的感叹句:


What + a/an + 形容词 + 可数名词单数(主语 + 谓语)


What a beautiful girl(she is)!      What a sunny day !


What + 形容词 + 可数名词复数/不可数名词(主语 + 谓语)


What beautiful flowers (theyare)! 多么漂亮的花啊!


What delicious food !多么美味的食物啊!


由how 引导的感叹句 :


How + 形容词/副词(主语 + 谓语)


How beautiful the girl is ! 这个女孩儿多么漂亮啊!


【典例7


—It is said that 5G is coming. It will improve our life great!


—____________ amazing it is!


A. What an

B. How a

C. What

D. How


【答案】D


【解析】句意:——据说5G就要来了。它将极大地改善我们的生活!——它是多么令人惊讶呀!这里是感叹句,感叹名词用what,感叹形容词用how,amazing是形容词,排除AC;其结构是How+形容词或副词+主语+谓语。排除B,根据题意,故选D。


【点睛】由"how"引导的感叹句:"how"意为"多么",用作状语,修饰形容词或副词(被强调部分)。如果修饰形容词,则句中的谓语动词用系动词;如果how修饰副词,则句中的谓语动词用行为动词,这类句子的结构形式是: How+adj.(adv.)+主语+谓语/(it is).

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