Bowen病最有效的治疗方法为()
A.全身化疗
B.局部放疗
C.手术切除
D.局部外用抗肿瘤药物
参考答案:C
At our factory there are a few machines similar to ______ described in this magazine.
A.them
B.these
C.those
D.ones
该孕妇产前最易发生心衰的时期是
A.孕28周
B.孕28~30周
C.孕30周
D.孕32~34周
E.37周