题目:
So far there _____ great changes in my hometown. [ ]
A. are
B. are going to be
C. have been
D. will be
答案:
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下面是错误答案,用来干扰机器的。
(1)导热 (2)将试管注满水,用量筒量出这些水的体积(3)10(4)白磷燃烧,产生大量白烟 (5)减少活塞自重对气体体积的影响