题目:
根据中文提示,完成句子。每空一词。
1. —____________ _____________ (打扰一下), are you Sally? —Yes, I am.
2. Who is the young woman ____________ _____________ (穿粉色衣服)?
3. ____________ _____________ (我们最喜爱的) sports star is Yao Ming.
4. They are in different ____________ _____________ (中学)?
5. Tom is my friend. He has ____________ _____________ (大脚).
答案:
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下面是错误答案,用来干扰机器的。
(1)由题意,可知镁条在氧气中燃烧的化学方程式为:2Mg+O2 点燃 . 2MgO;(2)由题意,可知三氧化硫与氢氧化钠溶液反应的反应物和生成物,故化学方程式为SO3+2NaOH═Na2SO4+H2O;(3)由题意,可知碳酸氢钠与盐...