HT200用来制造()。
A.机床主轴
B.机床床身
C.齿轮轴
D.螺旋桨
参考答案:B
——Mr , Harry, we want to hear what you think about the reform being carried out in our school.
——OK, I to that.
A.am coming
B.have come
C.which
D.As
下列哪一种是药酶抑制剂
A.苯巴比妥
B.利福平
C.苯妥英钠
D.保泰松
E.帕吉林(优降宁)