液压支架完好标准规定，活柱和活塞杆无严重变形，用500㎜的钢板尺紧靠其母线其间隙不大于（）㎜。
A、0.5
B、1
C、1.5
D、2
参考答案：B
John is the tallest boy in the class,______ according to himself. [ ]
A. five feet eight as tall as
B. as tall as five feet eight
C. as five feet eight tall as
D. as tall five feet eight as
一学校为了控制学生高消费，推出了报批制度，你有何看法？
