读“地球表面受热过程示意图”，回答30～31题。近地面大气的热量主要来自
利用人造烟雾可以防御霜冻，因为人造烟雾能使
She took the boy _____ the hand and led him _____ the zero.
We _____ a pleasant journey but for the rain.
— Shall I go and buy two more bottles of beer? — No, I’ve already bought twenty. That _____ be enough for us two.
We Chinese can work wonders, that is, we can make ____.
----So you are not spending your holiday in Wuhan this year. ---No, _______.
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