Unit 1 Friendship知识点总结：1.add up 合计，把…加起来add up to 合计达到…add to 增加，增添add A to B 把…加进…里面，把…和…相加eg.Please add these figures up.These figures add up to 900.The bad weather added to our difficulities.Please add some salt to the water.If you add three to four, you get seven.Add three to four and you get seven.Three added to four is seven.add vt. 补充说（后接that从句或者直接引语）Eg. He added that they would return in a week. “And don’t be late,”she added.词组辨析：1). The time I spend in commuting every day _________ two and a half hours.2). Colorful balloons can _____ the festival atmosphere.3). To make sure the result was correct，she ________ the figures again and again.高考链接：There have been several new events to the program for 2008 Beijing Olympic Games.A. addB. to addC. addingD. added2.Your friend comes to school very upset.upset 此处为adj. 做主语补足语，用来补充说明主语的情况。
Eg. He went to bed cold and hungry.She got married young.The room was found empty.▲ upset的用法：(1). adj. 心烦意乱的，不安的，不适的（多做表语）搭配：be upset about sth. 为某事烦心be upset that… 心烦eg. She was really upset about losing the money.I was upset that he had left without saying goodbye.(2). vt. 使不安，使心烦(upset, upset)Eg. Don’t upset yourself about it. The bad news upset the boy’s mother.3.calm down vt./vi. （使）平静下来，（使）镇定下来eg. The excited girl quickly calmed down.He took a deep breath to calm himself down.▲calm adj. 平静的，镇静的，沉着的eg. Keep calm. After the storm, it became calm again.▲adj. calm, quiet, still, silent辨析：calm 平静的，沉着的（指无风浪或者人的心情不激动）quiet 安静的，宁静的（指没有声音，不吵闹或者心里没有烦恼，忧虑）still 静止的，不动的（指没有运动或者动作的状态）silent 沉默的，不出声的（指没有声音或者不讲话）【一言辨异】When facing danger, you should keep calm; when taken photos of, you should keep still; when someone else is asleep, you should keep quiet; in class, you shouldn’t keep silent about the teacher’s questions. 4.have got to 不得不，必须= have toeg. I have got to go to a meeting.Have you got to go now?He hasn’t got to come tomorrow.【说明】:have got to 很少用于过去时态。
have to 可用于各种时态，而且可与情态动词，助动词连用。
have to 强调客观需要“不得不”; must 强调主观愿望“必须”5. concern（1）vt. (使)担忧，涉及，关系到eg. She concerns herself about her son’s future.The news concerns your brother.▲concern 做动词时，更多情况下用过去分词做表语。
搭配：①be concerned about/for sth. 为… 担心，关心，关注，挂念② be concerned with sth. 与…有关，涉及③ as/so far as sb. be concerned 就某人而言Eg. The family are all concerned about her safety.He was concerned with the matter.As far as I am concerned, I don’t agree with you.(2) n. [u]/[c] 担心，挂念，关注，利害关系；关心的事Eg. show/express/feel/have concern about/for… 关心…with concern 关心地At that time, one of his concerns was to go to college.6.get loose 变松(“get + adj.”构成系表结构，意为“变得…”)Eg. It is getting darker and darker outside.▲“get + 过去分词”构成系表结构：①表示被动。
Eg. get burnt被烫伤get hurt受伤get killed被杀get caught被抓②表示自身发出的动作。
Eg. get changed换衣服get dressed穿衣服get married结婚get washed洗脸▲“get + v-ing” 构成系表结构：（意为“某人/某物开始做…”, 表示主动）Eg. get moving/working③ get sth. done 使某事被做( get做使役动词，“使、叫、让”后接复合宾语)eg. When are you going to get your hair cut?I must get my homework finished first before going out to play.He got his foot hurt while playing football.▲ get sb. to do sth. 让某人做某事eg. I will get him to do the work.▲ get sb./sth. doing…使某人或者某物开始…起来eg. Let me try now. I will get the car going.▲ get + n. + adj. 使… 成为某种状态eg. Get everything ready.★联想：have sth. done 使某事被做have sb. do sth. 让某人做某事“让某人做某事”的表达方法let /make/have sb. do sth. get sb. to do sth.7. get through 和 go through区别get through1. (工作)完成When you get through with your work, let's go out.你完成工作后,我们出去吧。
2. (测验)合格Tom got through.汤姆考试及格了。
3. 接通电话I rang you several times but couldn't get through.我给你打了几次电话,可是没打通。
go through1. 经历The country has gone through too many wars.这个国家经历了太多的战争。
2. 被通过The new law did not go through.新法案未能通过。
3. 讨论Let's go through the argument again.让我们再来讨论一下这一论点。
4. 举行They went through the marriage service.他们举行了婚礼。
8.set down vt. 记下，写下，登记；放下；让某人下车eg. You don’t have to set down all that your teacher said.Please set yourself down. 请登记。
Set down the heavy bags and take a rest.Please set me down at the next corner.9.a series of (+ 复数名词) 一连串，一系列，一套eg. a series of questions/books/pictures▲series n. 单复数相同，作主语时，谓语动词的单复数取决于series的单复数。
Eg. There has been a series of car accidents at the crossing.Three series of papers are handed out to the students.10.on purpose 故意地（反义词组为by chance/by accident偶然地）Eg. Everybody can see that she did it on purpose.▲with/for the purpose of 为了… 的目的eg. He does it with the purpose of making money.11. in order to do sth.（做目的状语,可放在句首或者句中）= so as to do sth.（只能放在句中）Eg. He started early in order not to be late.In order to get up early, he had to set his clock at six.12. at dusk在黄昏时刻at dawn在黎明at night在夜里at midnight在午夜at noon在中午13. in one’s power 在某人控制下eg. His wife has him in her poewr. 她妻子控制着他。