已知直线,平面π:﹣2x+2y+z-1=0,则()
A.L与π垂直相交
B.L平行于π但L不在π上
C.L与π非垂直相交
D.L在π上
参考答案:C
It's reported that a terrible rainstorm hit _______ south of our country. [ ]
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肺主—身之气体现在
A.吸人清气B.宣发卫气C.生成宗气和调节气机D.助心行血E.呼出浊气