水份占婴儿体重的百分之多少?
参考答案:
水份占婴儿体重的5%。
I seldom eat sweet cakes or sweets because there’s _______ sugar in them.
A.too much
B.much too
C.too many
D.many too
已知a、b为异面直线,且a∥α,a∥β,b∥α,b∥β,则平面α与平面β的位置关系是______.