给多音字组词。
都 dū( ) dōu( ) 为 wéi( ) wèi( ) 背 bēi( ) bèi( )
首都 都是 为难 因为 背包 后背(答案不唯一)
用括号内所给单词的正确形式填空。
1. It is said that potato chips in KFC _____ (invent) by mistake about one hundred years ago.
2. It is reported that the Underground Line No.3 _____ (build) next year.
3. Metal _____ (use) for making machines and many other things.
4. Nick _____ (offer) a job in a bank, but to our surprise, he didn't take it.
5. Trees and flowers _____ (plant) every year to make our country more beautiful.
扩张术的适应证有()
A.瘢痕局部或邻近有足够可供扩张的正常皮肤软组织者
B.没有局部条件,但有远位轴型皮瓣或正常皮肤可供扩张及带蒂转移修复者
C.远位有正常皮肤能扩张以获得额外皮源供皮片移植者
D.少数病例全身深度烧伤后无正常皮肤,可在瘢痕下扩张解决某些功能部位瘢痕挛缩畸形及功能障碍
E.一次扩张不能达到修复目的,能行第2次扩张者