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。unit 2 i’ll help to clean up the city parks
一、基本知识点。
1. sick 生病的,有病的;可在句中作表语mary could not come because she is sick.
也可作定语a sick child
【区别ill】ill与sick同义;但是只在句中做表语,不做定语。mary could not come because she is ill.
2. cheer (sb.) up(让某人)变得高兴;振奋起来the good news cheered up everyone in our class.
3. give out分发;散发,相当于hand out,the teacher is giving out/ handing out the test *****s.
give sth. out to sb. 意为把某物分发给某人 。
4. volunteer 【名词】志愿者 【动词】义务做,自愿做(某事)volunteer to do sth. 自愿做某事 ,the girls could volunteer in an after-school study program.
5. used to do sth.过去/曾经(常)做某事,表示过去的习惯、动作或状态,并强调现在已经不再存在或发生。
there used to be a cinema here. 这里曾有一个照相机。
they told me stories about the past and how things used to be. 他们告诉我关于这里过去的故事。
6. alone 【形容词】独自一人的,无感**彩:the musician enjoyed living alone and writing songs himself.
lonely (感到)孤独寂寞的,带有很强的感**彩,可做表语或定语。the lonely boy is not lonely now.
7. care for sb./sth.照顾;照料……
care 【名词】小心,关心take care of=look after →【动词】care about sb./sth.关心,在意某人/事。
→【形容词】careful 仔细的 / careless 粗心的 →【副词】carefully 仔细地。
8. such “这样的,这种,如此”,用于修饰名词。
such+ a/ an+形容词+单数名词:such a good day 多么美好的一天 /such an exciting match 多么精彩的比赛。
such+形容词+复数名词/不可数名词:such important decisions 多么重要的建议 such delicious food 多么美味的食物。
如果名词前被many, much, few, little修饰时,只能用so,而不用such:so many sick children/ so little time
9. try out for…参加…选拔,争取成为…thirty football players tried out for the best player of the year.
try out试用,试验。
10. journey 【名词】(尤指长途)旅行,行程;trip【名词】多指短途旅行;
tr**el【名词、动词】tr**el around the world →【名词】tr**eler旅行者。
11.【复习】be busy with sth. 忙于(做)什么事情 be busy doing sth. 忙于(做)什么事情。
12.【复习】try doing sth. 试着去做某事 try to do sth.
尽力去做某事 try one’s best (to do sth.) 尽某人最大的努力去做某事。
13.【复习】be worried about sb./ sth. =worry about sb./ sth. 担心某人、某事。
14. raise money集资,筹钱;raise money for…为……筹钱。
raise【动词】举起;提高;募集。
15. keep【动词】keep+名词,保留(某物);keep+形容词,保持。
16.【形容词】broken破损的,出毛病的;blind瞎的,失明的;deaf聋的;disabled有残疾的,丧失能力的;在句中做定语和表语。
make it possible (for sb.) to do sth.使(某人)做某事成为可能,you helped to make it possible for me to h**e lucky.
make it +形容词(+for sb.) to do sth. 使(某人)做某事成为…;
think/find it +形容词to do sth.
18. make a difference to…对……有影响;对……有作用,difference前可以用no, any, some, much等修饰,如。
the rain made no difference to the game.
hard-working makes much difference to study.
19. difficulty【可数/不可数】表示抽象意义的“困难”时为不可数;表示具体的“难题、难事”时为可数;
h**e difficulty (in) doing sth.= h**e trouble (in) doing sth. 做某事有困难。
20. train【动词】训练,trained为过去分词,可做定语,意为“受过训练的”a trained dog
21. be excited about sth. 对某事感到兴奋 ,everyone is excited about the good news.
【复习】excited意为兴奋的,修饰人;exciting意为令人兴奋/激动的,修饰物。
22. order【名词】命令,指示;顺序,次序【动词】订购;点(菜)follow the order。
23. change【动词】变化,改变it’s hard for a person to change his life(style). 名词】变化;零钱。
change a for b用a换成b:when you tr**el in china, remember to change us dollars for rmb.
repair 【动词】修理,修补; fix【动词】安装;使固定 【fix up修理=repair】
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