在铁制品表面涂上油漆或菜油,用完铁制品后擦干放在干燥的地方等。
23、我国是世界上公认的火箭的发源地,早在距今1700多年前的三国时代的古籍上就出现了“火箭”的名称。
5、铁生锈变成了铁锈,这是一种化学变化。水分和氧气是使铁生锈的原因。
1、月相的变化有什么规律?(p49)
答:优点:占地小,避免了垃圾污染地下水,产生的热量还可以用来发电。
7、我们每个人应该怎样保护身边的环境?
答:硫酸铜溶液的颜色逐渐变浅,取出铁钉后,发现浸入硫酸铜溶液中的那部分变红了。
3、你知道哪些化学变化的事例呢?举出几个例子。
2、昆虫种类繁多,分布很广,它们有着和其他动物不同的身体构造和本领。
1、放大镜为什么能放大物体的图像呢?我们注意到它的特点了吗?(p3)七年级下册知识点总结unit 1 dream homes
一、重点词组、句型。
1、would you like to live in the palace, eddie? 埃迪,你想住宫殿里吗?
would you like sth? 肯定回答: yes, please. 否定回答: no, thanks.
would you like to do sth? 肯定回答:yes, i’d like/love to. 否定回答:i’d like/love to, but…
2、there are twenty restaurants in town. 镇上有二十家餐馆。
there are about 8,000,000 people living in london. 大约有八百万人住在伦敦。
表示某地有……,用there be 句型,谓语动词就近原则。
therebe) an art room, a music room and two computer rooms in our school.
表示有事情要做,用there be sth to do。 there are lots of thingssee) in beijing..
表示有某人正在做某事,用there be sb doing sth.。
on game shows, there are always famous peopletalk) about their lives.
3、i live in a town 15 miles from london. 我住在离伦敦15英里的一个镇上。
be far (away) from 离……远,但出现具体距离时,不用far
my home isfrom the school.
my home is 5 kilometresfrom the school. a. away b. far c. close d. next to
4. h**e fun with sb./sth. 和某人/某物玩得开心。
h**e fun doing sth. 做某事很开心。
h**e(has/had) fun= h**e(has/had) a good time= enjoy(enjoyed) onself(myself/yourself/youselves……)
5、i also h**e a bedroom of my own. =i also h**e my own bedroom. 我也有自己的房间。
own ①(adj.) 自己的用于形容词性物主代词或名词所有格后,加强语气。
(vt.) 拥有 owner (n.) 物主,所有人
heown) a big company in new york.
he is theown) of a big company in new york.
6、i share a bedroom with my sister. 我和妹妹共享一间卧室。
share sth. with sb. 和某人共享……
7、we often listen to music in bed. 我们经常躺在床上听**。
in bed 意为 (躺)在床上,bed 前无冠词修饰。 don't read不要躺在床上看书。
on the bed 表示某样东西在床上。 there is a book床上有本书。
8、i love to sit there and look out at the beach and the sea. 我喜欢坐在那里向外看海滩和海。
look out at sth 向外看…… look out of… 看……的外面 look out 向外看,小心。
it’s good for your eyes tothe green trees for a minute or two.
a. look out of b. look out at c. look out from d. look for at
look like 看起来像 look up 查阅(字典/资料),向上看 look after 照顾 look for 寻找(强调动作)
in the sea 在海里 by sea= by ship坐船 by the sea 在海边。
9、your house is really different from the flats here in our town. 你的房子和我们城镇里的公寓真的很不一样。
be different from… 和……不同,不同于…… be the same as……和……相同。
different 是形容词,名词为difference
our classroom is different fromhe ).
there are somedifferent) between the four words.
10、each room has a new computer. 每间房间都有台新电脑。
each 用于两者及以上的每一个,后面可以直接跟 of。如 each of them/you/us
every 用于三者及以上的每一个,后面不能直接跟 of,如要表示每一个,可用 every one。如every one of them/you/us
each studenth**e) a book in his hand.
each of the studentsh**e) a book in his hand.
the students eachh**e) a book in his hand.
11. knife n.刀子,小刀其复数为knives
wife(妻子),wolf(狼),shelf(架子),thief(小偷),leaf(树叶),life(生命)
12. thaks for sth./doing sth.= thank sb. for doing sth. 因为……而感谢某人。
thank you for helping me.= thanks for helping me.=thank you/thanks for your help.
13. your garden is full of flowers.你的花园里都是花。
be full of……=be filled with…… 充满着……
14. i hope to visit your home some day.我希望有一天能去拜访你家。
hope to do sth.希望去做某事。
hope +(that)从句,上句等于i hope i can visit your home some day. 常用i hope you h**e a good time.
some day将来有一天,总有一天只用来指将来。
one day 某一天可以指过去,也可以指将来。
the other day 前几天常用于一般过去时。
he writes such wonderful stories that hemake) a good writer some day.
ihappen) to meet him in the street the other day.
15. may i speak to daniel, please? 我可以找daniel接**吗?
打**时,常用this/that来指代说话双方,直到相互知道身份,常用:
this is daniel speaking.=speaking. 表示正是某人在接**。
is that tom speaking?那是tom吗?
16. can you ask him to call me back?你能让他给我回**吗?
ask sb. to do sth. 叫某人去做某事 ask sb. not to do sth. 叫某人不要去做某事。
ask (sb.) for sth. (向某人)要某物。
17、i would like to invite my friends to watch films with me at the weekend. 在周末,我想邀请朋友来看电影。
invite (v.) 邀请invitation (n) 邀请 an invitation letter 一封邀请函。
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