阀门按工作压力分类，属于低压阀的压力为（）。
A.≤2.5MPa
B.≤1.6MPa
C.≤4.0MPa
D.≤6.4MPa
参考答案：B
My shoes are cheaper than ________. [ ]
A. you
B. your
C. yours
D. your one
EMV组织
