如果让你扮演华论,你应该具有的医学特长是
①针灸②外科手术③创制“麻沸散”④创制“五禽戏”[ ]
A.①②③④
B.①②③
C.①②④
D.②③④
答案:D
无符号二进制整数110111转换成十进制数是______。
A.49 B.51 C.53 D.55
第二节:开放作文(15分)
请根据下面提示,写一篇短文。词数不少于50。
In your English class, your teacher shows you the following picture. You are asked to describe the picture and explain how you understand it.