皮肤癌()直肠癌()鼻咽癌()白血病()
A．后装治疗
B．电子线治疗
C．两者均可
D．两者均不可
参考答案：B,A,C,D
We were all very glad hearing the news ______ he had won the award.
A．that
B．which
C．how
D．why
借贷记账法
