内容正文:
Unit 6 Keep our city clean
专项练习2 重难点突破题
一、特殊疑问词作主语
解析
特殊疑问词在句子中可以作主语,常见的有what, who, which等。
当表示一般情况时,通常被视作第三人称单数,其后的谓语动词要用单数形式。
如果句子的时态是一般过去时,其后的谓语动词则用动词过去式。
例句: What tells us the right time? 是什么告诉我们正确的时间?
Which is good for us now? 现在哪一个对我们有好处?
Who asked you to pick up rubbish in the park yesterday? 昨天谁要求你在公园里捡垃圾的?
跟踪练习
一、(一)用所给词的适当形式填空。
1. -Who __________(clean) the street every day? - The cleaners.
2. Which sport __________(make) him strong last year?
3. What _________(keep) you staying in school for so long yesterday?
(二)对画线部分提问。
1. Books and models make the bookshelf messy.
___________ ___________ the bookshelf messy?
2. The teachers are working hard in the office.
___________ ___________ working hard in the office? keep 的用法
二、keep的用法
解析
keep在本单元中用作系动词,意为"保持(某种状态)",常用结构是"keep+形容词"
或"keep sb/sth+形容词"。
例句: We should have a balanced diet to keep healthy. 我们应该有一个均衡的饮食来保持健康。
拓展: keep 作实义动词时有以下常用的几种用法:
1. keep (on) doing sth 表示"继续,重复(做某事)"。
例句: Remember to keep smiling even when something bad happens.
即使发生一些不好的事情,也要记得保持微笑。
2. keep off 表示"不接触;远离"。
例句: The doctor advised him to keep off fast food. 医生建议他远离快餐。
3. keep sb from doing sth 表示"阻止某人做某事"。
例句: We must keep the children from playing with fire. 我们必须阻止孩子们玩火。
跟踪练习
二、根据中文提示完成句子。
1.机器的声音让我无法工作。
The sound of the machine __________ me __________ _________.
2.每天坚持游泳,你会变得更强壮。
____________ ___________ every day, and you’ll get stronger.
3.房间里很热。我可以把门开着吗?
It's hot in the room. Can I ___________ the door __________?
4.咱们坐在树荫下凉爽一下吧。
Let's sit in the shade and __________ __________.
三、make的用法
解析
make在本单元中用作系动词,意为"使变得;使成为",常用结构是"make sb/sth+形容词",表示"使某人/某物(变得)……"。
例句: Music makes people happy. 音乐使人快乐。
The rubbish made the bin smelly. 垃圾使垃圾桶气味难闻。
拓展:有关 make 的一些常见的用法:
1. make sth for sb= make sb sth,表示"为某人制作某物",
但当 sth 和 sb 均为代词时,只能使用 make sth for sb 结构。
例句: The old man made a magic brush for the boy. = The old man made the boy a magic brush. 老人为这个男孩制作了一支神奇的画笔。
Who made this for you? 谁为你制作了这个?
2. "make sb/sth+动词原形"表示"使某人/某物做某事"。