依对热量因子的适应能力,园林树木可分为()
A.热带
B.阳性
C.抗风
D.温带
E.亚热带
F.抗粉尘
参考答案:A, D, E
恒牙迟萌可能的原因有()
A.乳牙早失
B.乳牙滞留
C.多生牙、牙瘤或囊肿
D.先天性甲状腺分泌缺乏、颅骨锁骨发育不全等全身性疾病
E.以上都是
Parents _____ much importance to education. They will do their best to give their children that priceless
gift. [ ]
A. devote
B. pay
C. attach
D. apply