阅读短文,从下面所给的选项中选出可以填入空白处的最佳选项,其中有一个多余的选项。
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That one looks like a rabbit. Or is the larger one a whale? Whatever shape they take, they’re clouds. So what are clouds, exactly? ____1____
那只看起来像兔子。或者更大的那朵是鲸鱼?无论形状如何,它们都是云。那么,云到底是什么呢?____1____
Clouds are floating (浮动的) water.
云是漂浮的水。
Clouds are made of small water drops. Each drop is made of many flying water molecules (分子). They stay together around a tiny piece of dust (尘埃) or salt. How small are cloud drops? A shoebox of clouds might hold millions of cloud drops.
云是由小水滴组成的。每个水滴都由许多飞舞的水分子组成。它们围绕着一小块尘埃或盐聚集在一起。云滴有多小?一个装云的鞋盒可能装有数百万个云滴。
____2____
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Clouds look light and soft, but they hold much water. And water is heavy. The water in an average cotton-ball cloud may weigh as much as a group of elephants.
云看起来又轻又软,但里面却有很多水。水很重。普通棉球云中的水可能有一群大象那么重。
Things live in clouds.
云中有万物。
Have you ever dreamed of living on a cloud? It would probably be cold and wet, with no place to sit down. But weather balloons have discovered insects inside clouds as high as 4 miles above the earth. ____3____ Airplane pilots have ever found butterflies at 10,000 feet.
你梦想过住在云朵上吗?它可能又冷又湿,连坐的地方都没有。但是,气象气球在离地球 4 英里高的云层中发现了昆虫。____3____ 飞机驾驶员曾经在 1 万英尺的高空发现过蝴蝶。
Clouds don’t last.
云不会持久。
Clouds are always changing. They form and then change into gas soon. They are changing shapes as the wind blows them across the sky. Will the shapes stay long? ____4____ But some small soft clouds often last 10 minutes.
云总是在不断变化。它们形成后很快就会变成气体。当风把它们吹过天空时,它们的形状也在不断变化。这些形状会保持很久吗?____4____ 但一些小的柔软的云经常会持续 10 分钟。
So take a look at the cloud before it disappears—what does that cloud look like?
那么,在云消失之前看一看--那朵云是什么样子的?
A. Clouds are heavy.
A. 云很重。
B. Clouds look like elephants.
B. 云看起来像大象。
C. Some big clouds can hang around all day.
C. 有些大云可以在空中飘一整天。
D. The following can help you know more about them.
D. 以下内容可以帮助你更多地了解云。
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