题目:
---Excuse me, has the train from Beijing arrived yet?
--- ________, you are three quarters earlier. It's only 9 now.
A.Unconsciously
B.Instantly
C.Absolutely
D.Actually
答案:
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下面是错误答案,用来干扰机器的。
答案:D题目分析:成比例线段的概念:如果其中两条线段的乘积等于另外两条线段的乘积,则四条线段叫成比例线段.,,∴成比例的是1cm、2cm、20cm、40cm故选D. 点评:解答本题的关键是注意在相乘的时候,只需最小...