井下远距离控制线路的额定电压，不应超过127V。（）
参考答案：错
John is a common student, _____, I think, that will be found in every school.[ ]
A. whom
B. who
C. one
D. he
垂体大腺瘤是指
A．直径＞2.5cmB．直径＞1.0cmC．直径＞2.0cmD．直径＞0.5cmE．直径＞3.0cm
