男性，53岁，夏季开水烫伤右腿前侧为7%浅Ⅱ度和深Ⅱ度。
若该患者经治疗，体温、血常规恢复正常，全身情况较好，伤后20天时，右小腿仍有2%创面未愈，为肉芽创面。最好选择以下哪项治疗方法（）。
A.创面外用抗生素+凡士林纱布包扎
B.中药外敷包扎
C.创面经术前处理后行自体皮片移植术
D.异体皮覆盖换药
E.异种皮覆盖换药
参考答案：C
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| Flies (苍蝇) usually live in the dirty places. Let's look at a fly, and see where it 1 . First, it flies out of the window, 2 it stands on 3 dirty things in the street, and then it flies back to the house and walks over your 4 . When a fly walks on the dirty things in the street, its 5 have got some germs 6 them. When the fly walks on your food with its dirty feet, it 7 the germs on your food. What can you 8 this? First, we learn that we mustn't leave dirty things in the street or on the ground near 9 . Second, we learn that all food must be covered so that flies may not 10 it. Third, we learn that flies often carry germs and we must kill them as soon as we see them. | ||||
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