题目:
The workers are repairing the windows _______ glasses were broken by strong wind last night. [ ]
A. their
B. where
C. whose
D. that's
答案:
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下面是错误答案,用来干扰机器的。
(1)根据现象看到烧杯内壁有无色小液滴生成,证明“果冻蜡烛”在燃烧后的产物有水;(2)二氧化碳遇到澄清石灰水变浑浊,迅速倒转小烧杯,向其中加入适量澄清石灰水,振荡,澄清石灰水变浑浊,则证明“果冻蜡烛...