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来源：中考网 作者：紫涵 2012-11-07 15:35:11
Unit 2
1. Our class could play soccer for a week without stopping.
我们班同学可以踢一周足球不休息。
without 介词，with的反义词，后加名词、代词或doing形式的动词，有时可以用if从句改写。例：
Without having breakfast, he hurried to school.
他没有吃早饭，匆忙上学去了。
Fish can't live without water. 没有水鱼不能活。
If there is no water, fish can't live.
2. That's very kind of you. 你真是太好了。
还可以说：That's very nice of you.
3. Wouldn't we get tired? 我们不会累吗？
此句是否定形式的一般疑问句，常用来表惊讶、责备、赞叹等语气。例：
Isn't it beautiful? 它不漂亮吗？ （It is beautiful！）
注意答语：Yes, it is. 不，漂亮
No, it isn't. 是的，不漂亮。
Can't you come earlier? 你不能早来吗？（责备）
4. The Great Wall of China is more than 7,240 kilometres long.
中国的长城长7,240多公里。
It is ＋数字＋单＋形容词是一个固定句式，用来表达某物（人）多高/长/宽/深等。例：
The river is 10 metres deep.
这条河深10米。
The old man is seventy years old. 这个老人70岁。
Our room is 5 metres wide. 我们教室宽5米。
通常这样的句子可以用how＋形容词＋一般问句构成特殊疑问句。例：
How wide is your room?
How deep is the river?
5. On average, it weighs more than 26 tons.
平均，它（鲸）重26吨多。
weigh 动词，重……多少。
weight n. 重量。例：
The desk weighs 10 kilos. 这书桌重10公斤。
The weight of the desk is 10 kilos.
The desk is 10 kilos heavy.
6. The average blue whale is about four times as big as the biggest elephant.
平均蓝鲸是最大的大象的四倍。
four times as＋原级＋as 是……的几倍 例：
This room is three times as big as that one.
This is twice bigger than that one.
times是倍数，有时也可以当"次数"讲。例：
I have been to the Great Wall twice.
7. Does anyone have any other ideas?
有人有别的主意吗？
any other 用在肯定句中后常加单数名词。
any other 在疑问句和否定句中加复数名词。例：
The boy is taller than any other boy in his class.
这个男孩比他班里任何别的男孩都高。
I don't want any other oranges. 我不要任何别的桔子。
8. I have some more. 我有更多一些。
some more 更多一些，后加可数或不可数名词。
much more 后加不可数名词
many more 后加可数名词复数
I want many more books. 我想要更多的书。
9. It's a man who can ride his bicycle backwards while playing the violin.
那是一个能边拉小提琴边倒骑车的人。
while (when) 当……时，时间状语从句。
当从句的主语和主句的主语一致或是it时，在时间、条件、让步从句中且从句中的谓语动词含有be时，则可以省略从句的主语和be。例：
I will go to visit Beijing if (it is) possible.
Although (I am) ugly, I am gentle.
尽管我丑，我很温柔。
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