第三周周周清内容。
fish 1、提起fish，它给人们的第一印象便是指“鱼”，实际上它的用法并非如此简单。fish用作可数名词指“鱼的条数”时单数和复数形式相同，指“鱼的种类”时复数形式才为fishes；fish用作不可数名词时无复数形式，应作“鱼肉”解；fish用作动词时，它的含义又与“钓（捕）鱼”有关。
two fishtwo fishes去钓鱼。
随便吃些鱼。
2、在英语口语里，fish还常常被用来指“人”，类似于汉语里的“家伙、东西”等。但必须注意的是，fish用来指人时形象虽然鲜明，但往往含有贬义。
a poor fisha big fisha cool fish
a strange fisha loose fish
3、由fish构成的习语也非常生动有趣。
fish in the air本意为“空中钓鱼”，喻指“方法（向）不对而达不到目的”，相当于汉语中的成语。
like a fish out of water喻指“如鱼离水、感到生疏”，如鱼得水。
feel the fishes喻指“葬身鱼腹；晕船”。
4、含fish的一些谚语更加赋有哲理性。如：
never offer to teach fish to swim决不要教鱼游泳。）
the best fish smell bad when they are three days old
原意为：鱼过三天就要臭。）
he who would catch fish must not mind getting wet
原意为：捉鱼不要怕鞋湿。）
there’s as good fish in the sea as ever came out of it．纵然失去一个机会，不愁没有其他机会。（原意为：海里的好鱼是取之不尽的。）
translation
1. it’s reported that a marked increase in the temperature of about 0.7℃ appeared at the end of last century.
2. building a single umbrella, which is big enough to cover the whole earth, seems to be impossible.
3. a spaceship weighing about 1g would carry a sunshade that is half a meter long.
一、并列连词。
1、表并列、顺接、递进关系。
and both…and… as well as not only…but also neither…nor…
2、表转折、对比关系。
but yetwhile（然而） not…but…（不是…而是）
3、 表选择关系 either…or…（要么…要么or（或者）
4、表因果关系so（因此） for（因为）
二、从属连词。
1、引导状语从句。
时间状语从句。
当…的时候：when while as 在…之前/之后：before/ after
直到…才： not…until
一…就…：as soon as自从：since
条件状语从句。
如果：if除非：unless 只要：as long as
原因状语从句：（因为）because since as
目的状语从句：（为了）so that in order that
结果状语从句：（如此…以至于）so…that… such…that…
让步状语从句：
尽管）though although even if even though
无论…）wherever whoever whenever however
no matter where/who/when/how
2、引导宾语从句。
不充当任何成分：that是否”：if/whether
疑问代词：what who which whose 疑问副词：where when why how
及其它疑问词组。
3、引导定语从句。
关系代词：who/whom which that whose 关系副词：where when why
三、连词填空。
1. his father is a teacher, and his mother is a doctor.（表并列）
2. i bought a present for my sister, but she didn’t like it.
3. keep quiet and listen to me.（表顺接）
4. i didn’t like dancing, but i liked singing.
5. tom does housework every-day, while his wife does nothing.（然而，轻微转折）
6. hurry up, or you’ll be late for class again.（否则）
7. her mother is ill, so she has to stay at home and（表递进）look after her.
8. not only tom but also helen is interested in pop music.（邻近一致）
both tom and helen are interested in pop music.
9. the pants didn’t fit me well. they are either too long or too short.
the pants fit me well. they are neither too long nor too short.
10. finish your homework, or you can’t play computer games.（否则）
11. i don’t like sing or dancing.（否定词之后连接用or表“和”）
12. the ground is wet, for/because it rained he**ily last night. （此处可理解为是。
两个并列句—用并列连词for;或者是一个原因状语从句—用从属连词because）
13. the boy can speak both english and french, though he is only ten.
填though就可填although)
14. peter still came to school though he was badly ill.
15. any was reading a book when i came in.（came in 是瞬间动词短语）
16. i’ll be here waiting until/whenever you come back.
17. i still remember miss hu though we h**en’t seen each other for many years.
18. i like eating apples because they are good for my health.
19. it’s so hot that nobody wants to go out.（结果）
20. we will visit the summer palace if it doesn’t rain tomorrow.
21. i h**e worked in this school since i graduated from college.
22. you’d better drink some water after you get up in the morning.
if when，岂不是起床和喝水两个动作同时发生？）
23. he gets up early so that he can catch the bus.（目的）
24. i won’t give up until/unless i reach my goal.
25. it’s such a lovely day that everyone goes out to enjoy the sunshine.（结果）
26. unless weather stops me, i go for a walk every day.
27. he is as tall as tom.（和…一样）
28. we get wiser as we get older.
29. they rushed in while/when we were discussing problems.（discuss延续性动词）
30. i was sleeping when someone knocked at the door.
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