雅思写作5种黄金句式

下面就来一起看看雅思写作中的5种黄金句式吧！

　　例句1：But evidence is accumulating that the biggest extinction of all, 252.3m years back, at the end of the Permian period, was indeed also triggered by an impact.

　　(1)But evidence is accumulating that……

　　(2)be triggered by…..

　　例句2：Nevertheless, though the trigger was the same, the details are significantly different, according to Eric To hover of the University of Western Australia.

　　(1)Nevertheless

　　(2)significantly different,

　　例句3：When the dinosaurs vanished they were accompanied by more than 70% of the other animal species on Earth.

　　(1)vanish 代替die out, be extinct.

　　例句4：

The idea that an impact caused the Permian extinction has been around for a while.

　　(1)The idea ……has been around for a while

　　例句5：These may have weakened the world’s ecosystems, making them vulnerable to an external shock.

　　(1)Be vulnerable to…..

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