·Unit7 Will people have robots?知识点
词组：
on computer在电脑上 on paper在纸上 liveto do 200 years old活动200岁
free time空闲时间 in danger处于危险之中 on the earth在地球上
play a part in sth.参与某事 space station太空站 look for寻找
computer programmer电脑编程员 in the future在未来
hundreds of许多;成百上千 the same…as…与……一样
over and over again多次;反复地 get bored感到厌烦的
wake up醒来 fall down倒塌 will+动词原形 将要做……
fewer/more+可数名词复数 更少/更多……less/more+不可数名词 更少/更多……
have to do sth.不得不做某事 agree with sb.同意某人的意见
such+名词(词组) 如此… play a part in doing sth. 参与做某事
There will be + 主语+其他 将会有……
There is/are+sb./sth.+doing sth.有……正在做某事
help sb. with sth.帮助某人做某事 try to do sth. 尽力做某事
It’s+ adj.+for sb. todo sth. 对某人来说，做某事……的。
词语辨析：
1.every 与each 的区别：
every用来表整体，each用来表个别。each最低需是两，every最低需是三。everyadj.
every作主用单数，each可单也可复，作主、作定用单数，其他情况用复数。each adj./ pron.
Everyteacher knows her.
Thereare lots of trees on each side of the road.
Eachof the road has a dictionary.
2. on the earth 在地球上，作地点状语，位于句首或句末。
on earth 究竟，到底。用于疑问句或副词后，加强语气。
All the living things on the earth dependon the sun. / What on earth do you mean?
3.human, 指包括男人女人孩子的“人，人类”，有别于动物，自然景物，机器等的特殊群体，也可指具体的人。
person,无性别之分，常用于数目不太大，而且数目比较精确的场合。
people,泛指“人们”，表示复数概念。
man,前不带冠词而且单独使用时，指“男人”，aman 可指“一个人/一个男人”，复数形式为men.
Hewas the only human on the island.
Thereare only three persons in the room.
Thereare many people there.
Manis stronger than woman.
4.probably ad. maybe 相当于 perhaps. 也许，大概，可能。作状语.
probably用于句中，可能性最大。He will probably come tomorrow.
maybe/perhaps用于句首。 Maybe/Perhaps you are right.
5.during / for / in 介词，在……期间。说到某事是在某一段时间之间发生的用during;说到某事持续多久则用for;说到某事具体发生的时间用in.
Wevisited many places of interest during the summer holiday.
I’vebeen here for two weeks.
Theyusually leave school in July.
