Meteorologists forecast the weather______． -题库考试答案搜索网

Meteorologists forecast the weather______．

单选题

2022-01-02 03:55

A、when they have received satellite pictures
B、after they have compared new satellite pictures with earlier ones
C、before they received satellite pictures
D、during they study satellite pictures

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正确答案

B

试题解析

根据第二段的说明我们知道，是通过拍摄的新的照片和之前拍摄的照相比较。发现天气可能发生的变化。A句意为当他们接收到卫星图片的时候，这时候还没有比较。所以没办法预报天气。B句意为在他们将新的图片和之前的比较之后，这个符合文章的意思。C句意为在他们接收到卫星图片之前，接收图片之前怎么可能预报天气呢，所以C也不正确。D句意为当他们在研究卫星图片的时候，和文章的说明不符。所以答案选B。

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