初二英語(yǔ)上冊(cè)Unit7

·Unit7 Will people have robots?知識(shí)點(diǎn)

? ?詞組：

on computer在電腦上 on paper在紙上 liveto do 200 years old活動(dòng)200歲

free time空閑時(shí)間 in danger處于危險(xiǎn)之中 on the earth在地球上

play a part in sth.參與某事 space station太空站 look for尋找

computer programmer電腦編程員 in the future在未來(lái)

hundreds of許多;成百上千 the same…as…與……一樣

over and over again多次;反復(fù)地 get bored感到厭煩的

wake up醒來(lái) fall down倒塌 will+動(dòng)詞原形 將要做……

fewer/more+可數(shù)名詞復(fù)數(shù) 更少/更多……less/more+不可數(shù)名詞 更少/更多……

have to do sth.不得不做某事 agree with sb.同意某人的意見(jiàn)

such+名詞(詞組) 如此… play a part in doing sth. 參與做某事

There will be + 主語(yǔ)+其他 將會(huì)有……

There is/are+sb./sth.+doing sth.有……正在做某事

help sb. with sth.幫助某人做某事 try to do sth. 盡力做某事

It’s+ adj.+for sb. todo sth. 對(duì)某人來(lái)說(shuō)，做某事……的。

詞語(yǔ)辨析：

1.every 與each 的區(qū)別：

every用來(lái)表整體，each用來(lái)表個(gè)別。each最低需是兩，every最低需是三。everyadj.

every作主用單數(shù)，each可單也可復(fù)，作主、作定用單數(shù)，其他情況用復(fù)數(shù)。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，作地點(diǎn)狀語(yǔ)，位于句首或句末。

on earth 究竟，到底。用于疑問(wèn)句或副詞后，加強(qiáng)語(yǔ)氣。

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，人類”，有別于動(dòng)物，自然景物，機(jī)器等的特殊群體，也可指具體的人。

person,無(wú)性別之分，常用于數(shù)目不太大，而且數(shù)目比較精確的場(chǎng)合。

people,泛指“人們”，表示復(fù)數(shù)概念。

man,前不帶冠詞而且單獨(dú)使用時(shí)，指“男人”，aman 可指“一個(gè)人/一個(gè)男人”，復(fù)數(shù)形式為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 相當(dāng)于 perhaps. 也許，大概，可能。作狀語(yǔ).

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 介詞，在……期間。說(shuō)到某事是在某一段時(shí)間之間發(fā)生的用during;說(shuō)到某事持續(xù)多久則用for;說(shuō)到某事具體發(fā)生的時(shí)間用in.

Wevisited many places of interest during the summer holiday.

I’vebeen here for two weeks.

Theyusually leave school in July.