在﹣32，﹣|﹣2|，（﹣1）3，﹣（﹣2），﹣4这五个数中，负数的个数是[ ]
A．1个
B．2个
C．3个
D．4个
答案：D
To learn English well, we should find opportunities to hear English ________ as much as we can.
A．speak
B．speaking
C．spoken
D．to speak
上肢与躯干连接的唯一关节是（）
A.肩关节
B.肘关节
C.胸锁关节
D.肩锁关节
E.肋胸关节
