小儿生长发育的一般规律有()、()、()、()。
_____youunderstandthisrule，you‘llhavenodifficultyindealingwithsuchproblems.
Thosewhochangemobilephonestoofrequentlywillhavetopayforbeing______.
Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.
