注射肾上腺素剂量过大可导致
A.血压升高
B.心力衰竭
C.肾衰竭
D.快速型心律失常
E.昏迷
参考答案:D
— Do you have the New York Times?
— Yes, but no more than one copy. Would you like to take ______? [ ]
A. some
B. it
C. one
D. them
钻圆锥销子孔时,应按销子的大端直径选择钻头。