A.What exactly is science? B.How do you find an explanation? C.What topics do you need? D.How do you answer your child’s questio

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问题 A.What exactly is science?
B.How do you find an explanation?
C.What topics do you need?
D.How do you answer your child’s questions?
E.Where does your child study science?
F.How do you set up the experiment on salt and water?
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选项

答案B

解析
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