舌癌好发部位是()。
A.舌背
B.舌腹
C.舌根
D.舌尖
E.舌侧缘
参考答案:E
Li Ming is in poor health. He should pay more attention _________ exercise.
A.to take
B.to taking
C.for taking
D.in taking
装置投料前各岗位工艺参数都必须达到设计值。()