教师不顾学生年龄特点和实际水平,采取揠苗助长的做法,违背了儿童身心发展的( )
A.顺序性
B.不均衡性
C.差异性
D.统一性
参考答案:A
锚杆的抗拔力、合格品应符合不小于设计值的()的规定。
A.70%
B.80%
C.90%
The road was covered with sand the heavy sandstorm. [ ]
A. because of
B. because
C. for
D. as