南岭山地、桂西南石灰岩地区、南海区域是我国（）优先区域之一。
A.生物多样性保护
B.农业开发
C.旅游开发
D.基础设施建设
参考答案：A
The plane hasn't arrived yet. Could you tell me _____? [ ]
A. why the plane is late
B. how is the plane late
C. when will the plane arrive
D. that the plane arrives
言语治疗的原则()
A．早期开始
B．及时评定
C．循序渐进
D．及时给予反馈
E．患者主动参与
