名师指津:“twice as+形容词原级+as”是倍数表达法之一。
例句仿写:仔细研究地图后,我发现这个村庄是那个村庄的两倍大。
I find this village is twice_as_large_as that one after studying the map carefully.
4.This produced a chain reaction,which made it possible for life to develop.
这就产生了一系列的反应,使得生命就有可能开始发展了。
名师指津:句中的it是形式宾语,真正的宾语是不定式短语to develop。
例句仿写:这两个女孩长得很像,陌生人很难把她们区分开。
The two girls are so alike that strangers find_it_difficult_to_tell one from the other.
5.“Oh,dear,” I cried,“walking does need a bit of practice now that gravity has changed.”
“天哪,”我大声说。“重力改变了,看来走路也的确需要练一练了。”
名师指津:now that“由于;既然”,引导原因状语从句,有时that可以省略。
例句仿写:你既然得到了一个机会,不妨充分利用它。
Now_that_you’ve_got_a_chance,you might as well make full use of it.
exist vi.存在,生存
教材原句P26:They laid eggs too and existed on the earth for more than 140 million years.
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