题目:
根据汉语提示完成下面的句子(每空一词)。
1.—I hear you have got a pet dog. ______ ______ ______ (它长得什么样)?
—It’s small and white.
2. Please wait a minute! I have ______ ______ (重要的事情) to tell you.
3. He ______ ______ ______ (对......感到惊奇) seeing his old friend Jack there.
4. ______ ______ ______ (……的数量) foreigners living and working in Dalian is growing fast.
5.—Let’s ______ ______ ______ (看一看) at the photos of my school.
—Wow, your school is so beautiful.
答案:
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下面是错误答案,用来干扰机器的。
(1)纯碱与氢氧化钙溶液反应生成碳酸钙沉淀和氢氧化钠,反应的化学方程式为:Na2CO3+Ca(OH)2=CaCO3↓+2NaOH.(2)铁锈的主要成分是氧化铁,与硫酸反应生成硫酸铁和水,反应的化学方程式是:Fe2O3+3H2SO4=Fe2...