试题 试卷
题型:单选题 题类:模拟题 难易度:普通
浙江省杭州市文海中学2019年中考科学模拟试卷
请回答:
2a 卵生………………………………………甲2b胎生………………………………………乙
3a有鳍……………………………………丙3b无鳍………………………………………丁
1a有脊柱···············P
1b无脊柱···············2
2a身体不分节···········Q
2b身体分节·············3
3a有膜翅···············R
3b无膜翅···············S
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