不改变原数的大小,下列数中,能去掉三个零的;只能去掉一个零的;一个零也不能去掉的分别是[ ]
A.700
B.7.000
C.0.070
D.70.0400
答案:B
— I am going to spend my holiday in the countryside.
— ________. The air there is fresh and the views are attractive as well.
A.Sounds wonderful
B.Of course
C.Let me see
D.Well done
4个月婴儿,在儿保门诊检查,下列哪些情况认为发育异常______
A.前囟未闭B.乳牙未萌发C.头不能抬起D.不能伸手取物E.拥抱反射