Participants ______ a joint venture are equal before the law.
A.of
B.to
C.in
D.on
参考答案:C
僵蚕常用的炮制方法是
A.炒黄
B.米炒
C.砂炒
D.炒焦
E.麸炒
下列疾病中咳嗽不伴杵状指的是()
A.肺炎
B.肺癌
C.脓胸
D.肺脓肿
E.支气管扩张