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Unit 7 Memory
知识点讲解
1.When we make new memories, we lose old ones. lose:(lost;lost):“丢失;失去”
ones: 代词;是one的复数;泛指前文提到的某些人或物 lose与miss的区别
这两个动词都可以表示\丢失\失去\的意思。
lose 语气较强,一般指失去不易找回。miss有\发现失去\的意思,指东西找不到,但有找到的希望。
e.g. The man lost a leg in the war. 那个人在战争中失去了一条腿。 She missed her child in the street. 她在街上把孩子丢了。 在很多情况下两者可互相替换。
e.g. I have lost my umbrella.我把伞丢了。
On my way home,I missed my umbrella. 回家路上,我发觉我的伞不见了。 作定语时,lose 用过去分词形式,miss用现在分词形式。
They set out to look for the missing girl at once. 他们立即出发去寻找丢失的女孩。
miss可以表示\想念\的意思,lose则不能。
We shall all miss you when you go away. 你不在时我们都会想念你的。 2. Because they want to help students improve their memory?
区别:because/because of 二者都有“因为”之意,但用法不同: Because+句子,作why开头问句的答语,常用于表示直接原因。 because of+短语。试比较: Eg: Because he is ill,he is absent today. He can't come because of the heavy rain. improve:“改善;提高”;意为make…better
3. A great way to help you remember something is to imagine a picture of it in your mind.
way 相关用法总结
1)way to do sth=way of doing sth “做某事的方式”
2)do sth in this/that way“以这种或者那种方式做某事” 3)on the way to “在去什么的路上”(当地点为home, here there时介词to省略)
4)in the way “挡路”/ by the way “顺便说一下” imagine v. “想象”;imagination n. “想象力”;imagine+doing sth;“想象做某事” 4. I know you are busy,but it worth the time. be busy with sth/ be busy doing sth; “忙于某事、忙于做某事” be worth doing sth “值得......” Eg: The movie is worth watching.
5. If you wish to get a good job, there are many important steps you should take. hope / wish
1) 两个词用作动词,均有“希望”的意思,hope to do/ wish to do两个动词都
可接宾语从句。
2) wish后还可用wish sb to do sth 但hope不能用
Eg: I wish you tocome here soon.我希望你尽快来这里。
6. Unless you get enough sleep every night, you will not remember things well. 连词unless意为“除非…/ 如果不…”,“除了…”,多引导一个否定意义的真实条件句,有时也可引导非真实条件句。
1) enough用作副同,充当形容词或副词修饰语,但必须后置。 Eg: He walks slowly enough.
2) enough: 足够的,修饰名词/形容词/副词。 enough位置口诀(名前形副后) Eg: There are enough seats for them all.
7. For example you may have trouble remembering the lists of steps in the water cycle. have trouble (in) doing sth. “做… … 有困难”(in 可以省略) get sb....into trouble “使某人陷入麻烦之中” be in trouble “处于困境中” 8. Let's take a bus.
1) let用作使役动词,表示“让”,其用法为let sb do sth, 而 let’s 中的’s = us 2) 在反意问句中,let's 的反意疑问句,用 shall we。Let us的反意疑问句用will you。
Eg: Let’s go swimming together, shall we? Let us go swimming together, will you? 3) let’s 的否定式可以是 let’s not / don’t.
Eg: Let’s not hurry. / Don’t hurry.
9. What does scientist think about words that sound similar. sound “听起来,似乎”,+adj; similar “相似的;相像的”;其名词形式为similarity;常用词组为 be similar to 10. If you take a fish out of water, it dies. 1) if 引导的条件状语从句,表示假设,其结果一定会发生,从句和主句时态都用一般现在时。
Eg: If you heat ice, it turns into water. 2) 以下四个词均与“死”有关。 ①die是终止性动词,意为“死亡”、“断气”,指生命的结束,强调动作。 Eg: His grandmother died two years ago. ②dead意为“死的”、“无生命的”,常与be动词连用,表示死的状态。 Eg: He has been dead for two years. ③dying是die的现在分词,通常作形容词使用,表示“要死”、“垂危”、“濒临死亡”。
Eg: He is dying.
④death是die的名词,意为“死”、“死亡”。
Eg: It makes me very sad when I think of my little dog's death. 11. Can you give me an example. give sb sth “给某人某物”;也可改成give sth to sb 常见的双宾动词有:give, show, send, bring, offer, read, pass, hand, tell, return, write.
give sb a call “给??打电话 ” give back “归还,送回” give out “分发,散发,用光,耗尽 ”
give away “ 泄密” give off “发出(光,烟,气)” give a hand “伸出援手”
12. Then it either forgets them or passes them into long -term memory. either… or .... “或者.....或者;不是....就是”
(当either… or …, neither… nor … ,not only… but also …等连接主语时. 谓语动词的人称和数常常与最近作主语的词语保持一致
语法:if/unless 引导的条件状语从句
If 引导的条件状语句
◆◆引导条件状语从句最常用的连词是if。 if 引导的条件句有真实条件句和非真实条件句两种(非真实条件句会在以后的虚拟语气中阐述),其引导的真实条件状语从句表示在某种条件下某事很可能发生。
1) 如果 if 条件句讲述自然规律,肯定会发生的事情或客观事实,主句和if从句都用一般现在时态。(主现从现)
Eg: If you take a fish out of water, it dies.如果把鱼从水中拿出,它会死。
2) 在 if 引导的条件状语从句中,谈论将来可能出现的情况时,
主句 一般将来时态 祈使句 + if从句(一般现在时态) 情态动词
(主现从现)If you put a piece of paper into water, it gets wet. 如果你把一张纸放进水中,它会变湿。 (主将从现)I’ll buy a car if I have enough money. 如果我有足够的钱, 我会买一辆车。
(主祈从现)Be careful when you cross the road. 过马路时要小心。 Put up your hand if you have any questions to ask. 如果你们有问题要问的话,请举手。 (主情从现) If I get there early, I can see the doctor quickly. 如果我早早地到那里, 我就可以快点看病。
【注意】 此处if引导的从句,还可由 when, as soon as(一…就…), (not)…until (直到…才),unless(除非)来引导。