英语是欧盟和许多国际组织与英联邦国家的官方语言之一，威廉希尔app 为大家推荐了高一英语必修Unit1知识，请大家仔细阅读，希望你喜欢。

1. be good to 对……友好

be good for 对……有益;be bad to…/be bad for…

I will be good to other people.我会善良的对待其他人.

It would be good for you to spend a holiday in the sun. 在有阳光的地方度假会给你带来很多好处。

The Olympics will be good for business. 奥运会的召开将有利于商业的发展。

be good at 擅长make good 有成就;成功as good as 实际上;几乎等于

a good deal 许多，大量 彻底的;完全的;痛快的to have a good drink 喝个痛快

2. add up 加起来

add up to 合计，总计

add… to 把……加到…… add to 增加

Add up your score and see how many points you get? 把你的分数加起来，看看得多少?

Some people can add up quite easily in their heads, but not all.

Good friends do not add up what they do for each other; instead they offer help when it is needed.

The figures add up to 270. 这些数字加起来是270。

You shouldn’t add fuel to the flame 你不应该火上加油

Fireworks added to the attraction of the festival night. 焰火使节日的夜晚更加生色。

The bad weather added to the shipwrecked sailors’ difficulties.恶劣的天气增加了失事船只的船员们的困难。

Your friend can not go until he finishes cleaning his bike.

not…until/till 意思是“直到…才”，表示主句谓语所表示的动作直到until状语所表示的时间才发生，主句的谓语动词表示的是动作的开始，动词既可以是延续性的，也可以是非延续性的。

They did not come back until eleven. 他们会在十一点后回来。

I did not notice it until yesterday.我一直到昨天才注重到它。

4. You had to pay to get it repaired

get sth done 使……完成/让某人做某事

5. You will ignore the bell and go somewhere quiet to calm your friend down.

I said hello to her, but she ignored me completely!

calm …down使平息, 使平静

calm down平息/平静下来

The crying child soon calmed down.哭闹的小孩不多一会就安静下来。

It was a long time before he managed to calm himself down. 过了很久他才努力使自己冷静下来。

We tried to calm him down, but he kept crying.

我们试图让他平静下来，但他仍不停地哭着。

6. Tell your friend that you are concerned about him. be concerned about关心，挂念

He was very concerned about his children's education. 他很关心他儿子的教育。

Please don’t be concerned about me.请别为我操心。

Why is she so concerned about his attitude to her work? 她为什么那么关注他对她的工作的看法?

7. Your friend has gone on holiday and asked you to take care of his dog.

go on holiday 度假

be on holiday 正在休假

What fun it will be when we all go on holiday together.我们大家一起去度假那可太有意思了.

take care of 爱护，照料

take care 注意，当心

You are not (physically) strong, so you may as well take care of your health. 你的体格不壮，因此最好注意健康。

8. While walking the dog, you were careless and it got loose. 在遛狗的时候，你一粗心松开了手中的狗链。

当while, when, before, after 等引导的时间状语从句中的主语与主句的主语一致时，可将从句中的主语和be动词省去。

walk sb home/ to a place: 为保证安全而陪某人去某地 It’s late ---- let me walk you home.

9. take one’s end-of-term exam 参加期末考试

10. 3) Your friend, who doesn’t work hard, asks you to help him cheat in the end-of-term exam.(非限制性定语从句)

cheat in the exam 考试作弊

11. look at someone else’s paper 看别人的试卷

12. make a list of reasons 列举一些原因

13. Do you want a friend whom you could tell everything to, like your deepest feelings and thoughts? 你想有一位无话不谈、能推心置腹的朋友吗?

14. go through遭遇;经历;熬过;用光(钱);获准，通过

It can go through the test of the time. 它能经受时间的考验.

She knew that she had got to go through all the difficulties with her family.

He would go through fire and water for his country. 他愿为国家赴汤蹈火。

15. hide away躲藏;隐藏

16. I don’t want to set down a series of facts in a diary as most people do,…我不愿像大多数人一样在日记中记流水账，……

Why don't you set your ideas down on paper?

We have had a series of stormy days when we were on the island.

The police asked him to set down what he had seen in a report. 警察让他在报告中写下他所看见的事情。

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