肩部最外侧的骨性标志是()
A.小结节
B.大结节
C.肩峰
D.喙突
E.关节盂
参考答案:B
I was too excited ______ .
A.speak
B.to speak
C.not to speak
D.speaking
口袋里有5个红球,3个黄球,在口袋里任意摸一个球,摸到______的可能性比较大.