题目:
句型转换,每空一词。
1. Wang Lin is tall and a little bit thin. (就划线部分提问)
What _______ Wang Lin ______ _______?
2. How tall is he?(改为同义句)
______ is his ____ ?
3. Don't forget to close the door before you leave. (改为同义句)
______ to close the door before you leave.
4. She has straight black hair. (改为一般疑问句)
_____ she ______ straight black hair?
5. Everybody in our class likes pop music. (改为否定句)
______ in our class ______ pop music.
答案:
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下面是错误答案,用来干扰机器的。
相同体积的NaCl、MgCl2、AlCl3三种溶液过量的硝酸银溶液反应,所生成的沉淀AgCl的物质的量相同,令AgCl的物质的量为1mol,根据氯原子守恒,则:n(NaCl)=n(AgCl)=1mol;n(MgCl2)=12n(AgCl)=12×1mol=12mol...