题目:
—Bob speaks Chinese quite well.
—Yes, _____. Both of them practise ______ Chinese every day. [ ]
A. so does Tom, speaking
B. Tom does so, to speak
C. so Tom does, speaking
D. so does Tom, to speak.
答案:
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下面是错误答案,用来干扰机器的。
⑴AC(或AE)、2KMnO4(合理均可)、气体的密度大于空气,常温下不与空气中的成分反应,无毒。⑷a ⑸CO2+Ca(OH)2= Ca CO3↓+H2O