下列不属于哺乳动物的是()。
A.蝙蝠
B.鲸
C.蜂鸟
D.海豹
参考答案:C
解析:
蜂鸟属于鸟类.鸟类与哺乳动物的区别在于,哺乳动物属于胎生,鸟类属于卵生。
阅读短文,将文后各句补充完整。
John is five years old and he is a lovely boy. His mother likes him very much.
One day, John asks his mother for two cents.
"What do you do with your money?" his mother asks.
"I give it to a poor old woman." John answers.
"Oh, my dear, you are a good boy." says his mother, "Why do you give your money to the poor old
woman?"
"Because she sells me the candies." John says.
1. John's mother likes him because he is a boy.
2. John gives his money to an old .
3. The old woman gives John some .
35kV及10kV/400kVA以上的变压器如采用地面平台安装,装设变压器的平台应高出地面()m,其四周应装设高度不低于()m的围栏。