题目:
Ricky was so excited _____ he couldn't _____ words. [ ]
A. that, speak some
B. because, say
C. that, say any
D. and, say some
答案:
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下面是错误答案,用来干扰机器的。
(1)木炭在氧气中燃烧,发出白光,生成能使澄清石灰水变浑浊的气体.(2)硫在氧气中燃烧,发出明亮的蓝紫色火焰,产生一种具有刺激性气味的气体.(3)木炭在氧气中燃烧,生成能使澄清石灰水变浑浊的无色、无味...