茧唇的发生与以下哪项无关()
A.长期吸烟
B.口唇白斑
C.口唇赘疣
D.遗传因素
E.皲裂长期不愈
参考答案:D
Only adults are allowed to have access the Internet in the Internet cafes in our city.
A.with
B.to
C.for
D.in
以依法可以转让的股票出质的,出质人与质权人订立的质押合同于出质人将股票交付于质权人时生效。( )