A:
B:
C:
D:
某人面北而立,前面为温带后面为热带,左边为东半球右边为西半球,此人的位置是( )
312+269=____
4307-2608=____
比一比,再组词
毫____ 慨____ 限____
豪____ 概____ 很____
Babies need a lot of sleep and this is particularly________the newborn.