医疗纠纷主要是由于病人及其家人对下列哪项不满：（）
A.护士和医生的服务态度
B.收费标准
C.诊疗结果
D.无陪人床
参考答案：C
Many experts agree that there is a possibility___ in this area in the following days.
A．when some more earthquakes may happen
B．that some more earthquakes may happen
C．where may some more earthquakes happen
D．what may some more earthquakes happen
如图中，1表示的地形区是（ ）
A．青藏高原
B．柴达木盆地
C．准噶尔盆地
D．四川盆地
