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重点、难点、考点及疑点注释
1. It must belong to Carla.(P34)它肯定是卡拉的。
belong to是“属于”的意思,后面常接人,这时句子的主语习惯是用物件名词或代词来充当。
This cell phone belongs to me. 这个手机是我的。
◎belong to常与物主代词进行句型替换。
These books belong to me.=These books are mine.这些书属于我的。
2.  He was the only little kid at the picnic. (P34)他是野餐中惟一的小孩。
副词only一般放在它所修饰的词之前。它在句中的位置不同,句意也不同,大家千万要留意啊!
Only Tom drives the new car on Sunday.
只有汤姆在星期日开新车。(强调“只有汤姆而没有其他人”。)
Tom only drives the new car on Sunday. (来源:最老牌的英语学习网站 http://www.EnglishCN.com)

汤姆在星期日只是开新车。(强调“只是开车而不干其他事”。)
Tom drives only the new car on Sunday.
汤姆在星期日只开新车。(强调“只开新车而不开旧车”。)
Tom drives the new car only on Sunday.
汤姆仅在星期日开新车。(强调“只在星期日而不在其他日子”。)
3.  I dropped it during the concert so it might still be in the symphony hall. (P36)音乐会期间我把它弄丢了,因此,它可能还在交响乐大厅里。
drop在此处用作及物动词,是“使落下”的意思,表示无意或故意掉下某一物体。
The Class Two runner dropped his stick on the ground.
二班的运动员把接力棒掉在了地上。
He dropped the letter into the mailbox. 他把信投入信箱。
◎drop还可用作不及物动词,后面不接宾语,表示“掉下,落下”之意。
The apple dropped from the tree to the ground. 苹果从树上掉到地上。
The kite dropped into a very tall tree. 风筝落在了一棵大树上。
◎drop作动词时,还有“放弃,不再干”的意思,与give up同义。
Don’t drop English. It’s very useful. 不要放弃英语,它非常有用。
Let’s drop that subject and discuss something else.
让我们放弃这个题目,谈点别的吧。
特别提示
drop作名词时,是“滴,少量”;“下降,下落”的意思。
—Would you like some more tea? 想再喝点茶吗?
—Just a drop, please. 请给一点。
There was a sudden drop in the temperature. 气温突然下降。
4.  I tried to call you but your mom said you were still at your optometrist appointment. (P36)我设法给你打电话,可你的妈妈说你还在如约验光配眼镜呢。
(1)appointment是“约会;指定”的意思,其中-ment是名词后缀。
move移动—movement移动   agree同意—agreement同意
achieve完成—achievement成绩,成就   improve改善—improvement改进
(2)try to do sth 表示“设法/努力/企图做某事”。
I tried to get there at seven, but I was late.
我设法7点到达那里,但还是迟到了。
People are trying to solve the problem of water shortage.
人们正设法解决缺水的问题。
◎try doing sth表示“试着做某事”。
Try knocking at the back door if nobody hears you at the front door.
如果前门没有人听到,你就试试敲后门。
Why not try doing the maths problem in other ways?
为什么不试试用别的办法做这道数学题呢?
5.  I really need it because I have a math test on algebra tomorrow. (P36)我真的需要它,因为明天我有一场代数考试。
on 在此处是“关于”的意思,此外about也有“关于,有关”的意思,一般可通用,但on更正式。有关学术性的,可供研究的文章、演讲、专著等常用on,一般不用about。比较下列句子:
He is reading a book about stars.
他正在读一本关于星辰的书。(也许是一本关于星辰的故事书)
Mr Li wanted to borrow a book on stars.
李先生想借一本关于恒星的书。(也许是有关恒星的学术性专著)
6.  It’s crucial that I study for it because it counts 30% to the final exam. (P36)我复习应对的这次考试很重要,因为它占期末考试的30%。
(1)It’s crucial that I study for it...是一个由that引导的主语从句。主语从句可以直接放在句首,也可以用it作形式主语,而将从句放在句末。
That light travels in straight lines is known to all.
=It’s known to all that light travels in straight lines.众所周知,光沿直线传播。
魔力纠错
他要的东西是一本书。
误:It is a book what he wants.
正:What he wants is a book.
魔力解析
what引导的主语从句一般不用it作形式主语的结构。
(2) count 表示“算入,计算在内”,习惯上按顺序计数,相加得出结果,也可指“算入”,或“包含在内”的意思,后面可以接宾语。
Don’t forget to count your change. 别忘了数一数你的零钱。
特别提示
连词because意为“因为”时,常用来引导原因状语从句;后面不能加名词或代词。
Because it was too hot, we could not drink the milk. 牛奶太烫,我们喝不下去。
He isn’t coming because he is very busy. 他不来了,因为他很忙。
7.  The earrings might be a present for his mother. (P36)耳环可能是他给他妈妈的礼物。
介词for在这里表示“为”,“给”。
Can I do something for you? 我能为你做些什么吗?
知识拓展
下面我们再看看for的其他用法:
◎表示“当作”,“作为”。
I’d like some bread and milk for breakfast. 早饭我想要些面包、牛奶。
◎表示动作的对象或接受者,意为“就……而言”,“对……来说”。

 
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