1 . at a time 每次，一次，at times 有时，不时。如：
Please pass me the bricks two at a time .
At college we had a class - meeting at times .
2 . have a word with sb . 与……谈话，have words with sb . 与……争吵。如：
Can I have a word with you ?
He is a cross man . He often has words with his neighbours .
3 . on fire 失火，on a fire 在火上。如：
They are eating something that were cooked on a fire .
4 . take a turn 兜一圈，take turns 依次，轮流。如：
They took a turn in the park on a bike and went home .
They take turns to look after the old lady .
二、学海导航
【学法指要】
单元重点词汇点拨
1 . level 水平线；水平
The mountain is 8000 feet above sea level . 此山海拔高度为8000英尺。
2 . effort 努力，艰难的尝试
He made an effort to finish his work . 他努力完成他的工作。
I\'ll make every effort to help you . 我将尽力帮助你。
Tom made a big effort to move the rock . 汤姆花了很大的劲去搬那块大石头。
3 . extra 额外的，外加的
I must buy extra bread because friends are coming to tea . 我必须再买些面包，因为朋友们要来吃茶点。
I don\'t suppose they want any extra help . 我认为他们不需要额外的帮助。
Dinner costs ￡ 3 , and wine is extra . 饭钱是三英磅，酒钱另加。
《高一英语第二十三单元 Rescuring the Temple》出自：www.89xue.com网
www.89xue.com
4 . flood 洪水 ( 常用复数 ) ( 使 ) 淹没；泛滥
When the water went down again after the floods , a lot of rich soil was left in the fields .
The river was in flood .
First , the River Nile used to flood large areas at the same time every day .
In Egypt , the Nile used to flood every year .
Our street floods whenever we have rain .
5 . mark 标明；作记号于 ( 常与 with 连用 ) 记号；标记
… each stone was marked with a number .
mark one\'s clothes with one\'s name
a horse with a white mark on its head
6 . face 面向；朝向
Inside the temple is a row of stone animals , which face the rising sun .
Turn round and face me .
The building faces north / towards the north .
7 . regularly 规则地；经常地
The new dam controls the waters of the Nile so that they now run regularly all through the year .
Take the medicine regularly three times a day .
We meet regularly to discuss business .
单元词组思维运用
1 . be on holiday 在度假；休假
2 . at breakfast 早餐时；在吃早饭
She was at breakfast when I called her yesterday .
3 . feel like ( doing ) sth . 想 / 愿意做某事
I don\'t feel like ( drinking ) beer tonight .
4 . on the edge of 在……边的缘
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