试题与答案

下面的比组成比例的是( ) A.3:4和0.7:0.9 B.23:49和35:25C

题型:填空题

题目:

下面的比组成比例的是(  )
A.3:4和0.7:0.9B.
2
3
4
9
3
5
2
5
C.
2
3
5
7
3
8
1
4
D.10:12和35:40

答案:

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It was sunny last Saturday. My parents took me to the Beijing Zoo. In the morning, we saw many animals, such as the interesting monkeys, strong tigers, a lot of b...

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