单项选择题
If you are ______ in any of the items please let us know. A．interest B．interesting C．interested D．interests
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
