距肛门4cm处的直肠癌,治疗宜采用()
A.腹会阴联合切口直肠癌根治术(Miles)
B.经腹低位直肠癌根治术(Dixon)
C.放射治疗
D.化学治疗
参考答案:A
-Did you receive my letter?
-I received one just as I______
A.set out
B.had set out
C.was setting out
D.would set out
读如图“沿北纬32°线我国地形剖面图,完成下列要求:
(1)图中序号代表的是:
A______高原,B______山脉,C______盆地
D______平原,E______山脉,F______山脉
(2)从图可知我国地势的特征是:______,呈______状分布,这一特征对我国河流流向有什么影响?