问题
单项选择题
一中段食管癌，病变长为5—8cm，无明显软组织影，患者不愿意手术，最佳照射野设计为()
A.正前野与两后斜野
B.两前斜野
C.前后野+右前左后野
D.右前左后斜野
E.左前右后斜野
答案
参考答案：A
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一中段食管癌，病变长为5—8cm，无明显软组织影，患者不愿意手术，最佳照射野设计为()
A.正前野与两后斜野
B.两前斜野
C.前后野+右前左后野
D.右前左后斜野
E.左前右后斜野
参考答案：A
阅读短文，根据短文内容回答问题。 Cindy likes parks小题1:She also likes walking down wooded trails(小路) or riding bikes along gravel(碎石)paths. Parks are a lot more fun to exercise in than just walking down the street, because there is so much to see. She has been to many kinds of parks. Some are in mountains, with rivers. Others are in the forest, with paths running under towering trees小题2:There is a lake park near her house. It has a boardwalk trail across a lake. That is the best part. She loves to walk along the brown wood path and stop along the way, looking in the water for frogs and turtles小题3: Autumn is the best time to visit the lake park. With the leaves changing color, it is very beautiful,小题4:The flowers and tress along the wooded paths are beautiful. The lake grasses are tall and green, rustling in the wind. It is a good time to visit.
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