【拔高教育】k12九年级英语全册 unit 12 life is full of the unexpected词句精讲精练

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Unit 12 Life is full of the unexpected

词句精讲精练

【词汇精讲】

1. by the end of

by the end of意为“到……末为止”,其后只能接时间,可用于将来时或过去完成时。例如: We’re going to finish it by the end of this week.

到本周末,我们将完成这项工作。 【拓展】

(1) at the end of意为“在……末端,在……尽头”,可以表示时间,也可以表示地点。例如:

at the end of January在一月底 (表示时间) at the end of the street在街道末端(表示地点) (2) in the end意为“最后,终于”,相当于at last,finally,其后不能接of短语。例如: Our team beat theirs in the end. 最后,我们队战胜了他们队。

2. disappear

disappear 是动词,意为“消失,消散”。其反义词是appear, 意为“出现”。例如: Don’t disappear again. 不要再突然消失了。

Some animals are disappearing because of hunting. 一些动物因滥捕而濒临灭绝。

A woman appeared at the end of the street. 一位妇女出现在街道的尽头。 3. go off

go off 意为“发出响声”。例如:

My alarm clock didn’t go off. 我的闹钟没有响。 The alarm went off. 警铃骤然响起。 【拓展】

(1)go off 还有“离开,出发”等意。例如:

Do go off the main road, or you’ll be lost. 不要离开大路,否则会迷路的。

(2)go off 还表示“变质”。例如: This milk has gone off. 牛奶变坏了。 4. take off

take off意为“起飞”。例如:

When will the plane take off? 飞机什么时候起飞? 【拓展】

(1) take off还可作“脱下”讲,反义词组为put on,意为“穿上”。例如: Put on your clothes. Don’t take them off. 把衣服穿上,别脱下。 (2) 常见的含有take的词组:

take turns轮流 take away拿走 take out拿出,取出 take over接手,接管 take notes 做笔记 take care当心,注意 take care of 照顾 take photos 照相 take it easy别紧张 5. oversleep

oversleep 意为“睡过头”,它的过去式和过去分词都是overslept。例如: I overslept and missed the school bus. 我睡过了头,没赶上学校班车。

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【拓展】

某些词前缀over,表示“超过, 优越, 过度等”。 overage 过老的

overtime 超出时间的 overwork 过度工作 overdo 做得过分

I think the work is overdone. 我觉得这工作做过头了。 She overdressed herself today. 她今天打扮过头了。 6. leave

leave作动词,意为“离开(某处)”,常与for连用,后接要去的地方。leave的过去式和过去分词都是left。例如:

He is leaving for Beijing next week. 他下周打算离开去北京。

Mr. Smith left the room at two o’clock. 史密斯先生两点离开房间。 【拓展】

(1)leave还意为“离开(某人)的身边;离弃”。例如: Her husband has left her. 她的丈夫把她遗弃了。

(2)动词短语leave something at/in +表示地点的名词,意为“把某物忘在某地”。例如: I left my key at home. 我把钥匙忘在家里了。

Tom left his English book at school, so he didn’t do his homework. 汤姆把英语书落在学校了,所以没有做英语作业。 (3) leave还意为“听任,使处于某种状态”。例如: He left the windows open. 他让窗子开着。 【辨析】

leave和forget

leave和forget两者都是动词,都含有“忘记” 的意思。表示把某物“落在某地方”用leave,如果无具体地点,则用forget。例如:

He said that he had left his book in the classroom. 他说他把书落在教室里了。

I never forget her. 我永远也忘不了她。 7. show up

show up动词短语,意为“出席,露面”。例如:

Most of people invited didn’t show up. 被邀请的人大部分还未到。 To my surprise, she failed to show up. 令我吃惊的是,她未能出席。 【拓展】

show的常用短语:

(1)show sb. around 带某人参观 例如:

I’ll show you around so that you can meet everyone. 我会带你到各处看看,好让你和大家见见面。 (2)show off 炫耀 例如:

Those boys always show off their sports skills to the girls. 那些男孩们老向女孩卖弄他们的运动技巧。

(3)show sb. sth. 把某物展示给某人看 例如: My friend showed me a picture book. 我的朋友出示我一本漂亮的图册。

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(4)on show 陈列,展出 例如:

The photographs are on show at the museum until October. 照片在博物馆展出到十月。 8. keep

(1) keep用作及物动词,意为“保存;保留;保守”。例如: Could you keep these letters for me, please? 你能替我保存这些信吗?

I’ll keep a seat for you. 我给你留个座位。 Can you keep a secret? 你能保守秘密吗?

(2) keep用作连系动词,后常接表语形容词,意为“保持处于某种状态”。 例如: You must look after yourself and keep healthy. 你必须照顾好自己,保持身体健康。

She knew she must keep calm. 她知道她必须保持镇静。 (3)keep的常用句型:

1) keep doing sth. 意为 “继续干某事”,表示不间断地持续干某事,后须接延续性的动词。例如: He kept working all day, because he wanted to finish the work on time. 他整天都在不停地工作,因为他想准时完成工作。

2)keep on doing sth. 意为“持续做某事”。 例如: The pupil kept on asking me the same question. 这个学生不断地问我同一个问题。例如:

3) keep...from doing sth.意为“阻止/防止……做某事”。例如: The heavy snow kept us from going out. 大雪阻止了我们出去。 【词汇精练】

I. 根据句意及首字母提示补全句子。

1. Set your alarm clock, and you won’t o_______.

2. When I got to school, I r _________I had left my backpack at home. 3. U__________, by the time I got there, the bus had already left.

4. L__________, my friend Tom and his dad came by in his dad’s car and they gave me a ride. 5. Sally i_________ me to her birthday party. It’s at her house on Saturday.

6. In 1938, a radio program a________ that aliens from Mars had landed on the earth. 7. Life is full of the u__________.

8. He was going to meet me earlier but he didn’t s______ up when I got there. 9. Jim d_________ and nobody heard of him.

10. I’m really e___________ to be laughed in public. II. 用所给单词的适当形式填空。

1.I ______(stay)up last night and I am really ________now. ( exhaust ) 2. I ______ (wait) for the bus when she called me. 3. I felt _______in that _______joke. ( embarrass )

4. Scientists have to read the________ information in science books.(late) 5. Do you know that your bike is _______ (break)?

6. Don’t ______ (foolish) anyone in your class, because none of them are fools. 7. My mother asked me to go the front door and check if it is _______ (lock). 8. She told me she _______(be) to Sanya.

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