高速铁路钢轨顶面擦伤深度超过0.35mm为轻伤
参考答案：对
—Where’s her second son? I haven’t seen him for a long time.
—He _______ Maine looking for a place to work.
A．will go to
B．has gone to
C．had gone to
D．goes to
药物离子导入皮肤深度（）
A.1cm以下
B.1～1.5cm
C.2cm
D.2.5cm
E.3cm
