单项选择题
肺癌的肺外症状不包括( ) A.类癌综合征 B.肺性骨关节病 C.肌无力综合征 D.Horner综合征 E.类Cushing综合征
单项选择题 Without practice, there ______ no knowledge. A.is B.are C.would be D.be
单项选择题 We are obliged ______ you ______ your early reply. A.to, for B.to, to C.for, to D.for, for
单项选择题 心在液为( ) A.津 B.汗 C.尿 D.涎 E.唾