影响幼儿身心发展的因素有，心理生理和社会因素。
参考答案：错
The traffic rule says young children under age four and () less that 40 pounds must be in a child safety seat.
A. being weighed
B. to weigh
C. weighed
D. weighing
贷款损失准备包括（）。
A.一般准备
B.专项准备
C.长期准备
D.特种准备
