单词排队组句子。

1. in, windy, it,  Sydney, is (.)

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2. what, matter, is, the (?)

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3. have, close, I, the, to, door (. )

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4. the, like, is, weather, what, today (?)

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3岁以下幼儿最常见的气管、支气管异物是()

A．化学制品：塑料笔帽

B．金属类：针、钉、小钢球

C．植物类：如花生、瓜子、豆类

D．动物类：如鱼刺、骨片

E．其他