严重心肌炎可能诱发心功能不全。()
参考答案:对
—Don't use my handkerchief to wipe the table,gentleman.
—Oh, I' m very sorry.I________clearly.
A.didn't see
B.hadn't seen
C.wasn't seeing
D.can't see
《中华人民共和国民用航空法》共有15章节,214条款。()