在中医诊断方法上首创“望、闻、问、切”四诊法的名医是（）。
A.华佗
B.张仲景
C.孙思邈
D.扁鹊
参考答案：A
--What do you think of French?
--In my opinion, French is _______ English
A．a subject so difficult as
B．as difficult a subject as
C．as a subject difficult as
D．difficult as subject as
用专用夹具装夹斜齿条时，夹具月角的公差应大于工件月角的公差.
