病理反射的出现是由于（）
A.脊髓反射弧的损害
B.神经系统兴奋性增高
C.基底节受损
D.锥体束损害
E.脑干网状结构损害
参考答案：D
All over the world the mobile phone has leaped from being an impossible luxury in the early 1980s to
_____ most people would now call a necessity.[ ]
A. which
B. that
C. what
D. when
Mr. Smith sold that magnificent cottage of his on the sea _____2,000,000 dollars.
A．at
B．for
C．to
D．by
