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  3. What’s the weather like where you are? Chances are there’s a cloud somewhere

What’s the weather like where you are? Chances are there’s a cloud somewhere

游客2023-10-17  18
问题     What’s the weather like where you are? Chances are there’s a cloud somewhere on your horizon—a collection of millions of microscopic water droplets formed as moist air rises, cools and expands. If the cloud is dense enough, it 【C1】______. If it’s cold enough, it snows. And if it’s low enough, we call it fog.

    But until 200 years ago, people didn’t know what to call them and the fluffy things that passed overhead were known by their【C2】resem______to things such as mare’s tails or mackerel’s scales.
    In 1783 , huge volcanic eruptions in Iceland and Japan produced spectacular sunsets across the northern【C3】hemi______. Eleven-year-old Luck Howard was entranced by these displays and became a keen student of the young science of meteorology. Twenty years later, he made the first internationally recognised【C4】______(classify)of clouds.
    One day, the sky was full of cirrus(high, threadlike cloud)and stratus(low, layered cloud), nimbus(rainclouds)and cumulus(low, puffy cloud). By combining these Latin names and grouping them by the【C5】______(high)at which they occurred, Howard came up with a 10-point system for identifying clouds.
    Some countries may be sick of the sight of them, but drought-stricken areas are crying out for a bit of cloud cover. Scientists in the US and Russia have attempted to create clouds by cloud seeding—dropping condensation agents such as dry ice from aeroplanes to【C6】______(courage)nascent clouds to form.
    Poets and artists, too, have found【C7】insp______in the clouds—Wordsworth wandered lonely as one, Shelly named a poem【C8】______"the daughter of earth and water and the nursling of the sky" , while Turner and Constable captured their fleeting likenesses on canvas.
    【C9】Whe______you are under one, on top of one or have your head in one, clouds, like our moods, are ever changing. And perhaps that is the【C10】______(beautiful)of them. [br] 【C6】
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答案 encourage
解析 (根据横线处上文的意思，科学家们试图通过云种散播来创造云，即从飞机上洒下冷凝剂来促进云的形成。结合提示词，此处填encourage，表示“促进，刺激”。)
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