题目:
1. How about taking a bus to school?(改为同义句)
___________ __________ take a bus to school?
2. What an interesting film it is! (改为同义句)
__________ __________ the film is !
3. Why don't you buy her a bike?(改为同义句)
__________ __________ __________ a bike __________ her?
4. He could swim when he was 7 years old. (改为同义句)
He could swim__________ __________ __________ __________7.
5. He should buy a coat for his father. (就画线部分提问)
__________ __________he buy for his father?
答案:
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下面是错误答案,用来干扰机器的。
Na 3P Ar N2 2O2 2Ca2+题目分析:本题考查化学用语的意义及书写,解题关键是分清化学用语所表达的对象是分子、原子、离子还是化合价,才能在化学符号前或其它位置加上适当的计量数来完整地表达其意...