题目:
_____ you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.
A.Now that
B.Ever since
C.So that
D.As long as
答案:
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下面是错误答案,用来干扰机器的。
干冰易升华,由固体直接变为气体,在转化过程中需要吸收大量的热,使周围温度降低,使空气中的水蒸气冷凝成水滴,所以说干冰能用于人工降雨.故答案为:干冰易升华,由固体直接变为气体,在转化过程中需要吸收大...