下列动物中,哪些是属于胎生动物?
二年级 科学 动物产下卵或幼儿的数量

Quiz
•
Other
•
2nd Grade
•
Easy
y ling
Used 38+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.青蛙产下的卵( ),而鸡产下的卵( )。
多,少
少,多
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
老鼠每一次可以产下只幼儿?
1只 至 4只
2只 至 22只
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下那一种动物产下大量的卵
鸵鸟
企鹅
青蛙
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一种动物一次只产下一只幼儿?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
________一次产下2000至20 000个卵.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中的动物会产卵,预测它产卵的数量。
120
20
5
1
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