甲氰咪胍指的是
A．法莫替丁
B．扑尔敏
C．特非那定
D．西咪替丁
E．酮替芬
参考答案：D
物体受到内力作用发生形状和大小的相对变化称为（）
A.弹性形变
B.应变
C.变形
D.应力
E.扭力
He______the leader of the Model Group in our factory.
A．has just been appointed B．has just appointed C．just appointed D．has just being appointed
