最常见的鹿角形结石是
A．肾结石B．肾结核C．肾肿瘤D．肾下垂E．肾水肿
参考答案：A
Tom has practiced driving for a year. So I think he will pass the driving test on his _____ tomorrow. [ ]
A. agreement
B. suggestion
C. desire
D. attempt
已知平面α，β和直线m，给出下列条件：①m∥α；②m⊥α；③m⊂α；④α⊥β；⑤α∥β.
(1)当满足条件________时，有m∥β；
(2)当满足条件________时，有m⊥β(填所选条件的序号)．
