九年级英语第二十四单元

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3 . climb up 攀登，爬上

There he gets out of the lift and climbs up to the fifteenth floor on foot .

4 . at the foot of 在……的底部 ( 脚下 )

There is a small river at the foot of the hill .

5 . go down 下去， ( 日，月等 ) 落下

The sun has gone down .

The wind has gone down a little .

6 . have a great time = enjoy oneself过得愉快极了

I had a great time during the holidays .

—Did you have a great time at her birthday party ?

—Yes , we had a great ( good , nice , wonderful ) time .

7 . at all 全然；究竟

①用于否定句，意为“一点儿也不”，“完全不”。

I didn\'t understand anything at all .

No problem at all . 完全不成问题。

②用于疑问句，意为“究竟”，“到底”，“真的”。

Do you know it at all ?

8 . be interested in 对…感兴趣

At the age of eight he became very interested in maths .

9 . have a big smile 满面笑容

You can see from my photograph that I have a big smile and long black hair .

He had a big smile when I met him next .

10 . ask for 要求，约请

Mary asked for time to think this over .

11 . be covered with 覆盖着

The table is covered with a cloth .

The mountains were covered with snow .

二、学海导航

【学法指要】

单元难点疑点思路明晰

1 . 由 though 引导的状语从句的句型

Though I like writing to my penfriend , it takes a lot of time . 虽然我喜欢给笔友写信，但花了很多时间。

※ 由连词 though ( 虽然 ) 引导的状语从句，全句中有“但是”之意，然而 thought 与 but 不能前后连用，只能用其中一个。上句也可以说成：

I like writing to my penfriend , but it takes a lot of time .

※ though 引出的从句放在句首时，从句后面要有逗号。但也可将 though 引出的状语从句放在主句之后。

Though it was raining , he went there .

He didn\'t do this work well though he did his best . 虽然他尽了最大努力，但还是没干好这工作。

※ though 常与 even 连用，表示强调。如：

Even though I didn\'t understand a word , I kept smiling .

2 . 由 after 引导的时间状语从句的句型

But after we left the mountains behind us , there was hardly a cloud in the sky . 然而当我们把群山峻岭甩在后面后，天空几乎万里万云。

※ after we left the mountains behind us，是由连词 after 引导的时间状语从句。引导时间状语从句的还可由 when , while , before , till , since 等词引起。

leave behind 是“把 ( 某物 ) 留在 ( 某物 ) 的后面”。

由 after 引导的时间状语从句举例如下：

After we had finished lunch , we all sat on the grass .

※ after 引导的从句，有时放在主句之后。如：

I arrived at the station after the train had left .

3 . They say that… = It is said that … 据说

…and they say that there are ten sheep for every person . 据说每人占有十头羊。

句中的 they 并没有具体的对象，泛指人们 ( people ) 。

They say that… = People say that… = It is said that… 如：

It is said that he will leave in a few days . 据说他过几天就要动身。

4 . How often do you write ? 你们隔多久通一次信 ?

( 1 ) How often 常用来询问动作的频率，回答可用：some times／very often／not too often／once／twice／three times a year…有时／经常／一年一次 ( 二次／三次 ) 等。例如：

—How often do you go to see your grandmother in the countryside ? 你多久去看一次住在农村的祖母 ?

—Twice a year . 一年去两次。

( 2 ) 注意下面以 how 提问的句子的准确含意。

—How long have you waited here ?

— For about two hours .

how long 表示动作或状态“延续的时间”。

—How much time did you spend on this work ?

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