下列关于男性的输精管被结扎后的叙述正确的是[ ]
A．不能产生精子
B．雄性激素分泌减少
C．第二性征消失
D．精子不能排出体外
答案：D
— Do you think Jim will be the new chairperson this term?
— ____________. He is so unselfish（无私）
A．I think not.
B．I’m afraid. not。
C．I’m afraid so.
D．I think so.
If your answer is “yes”, you can call Tim ______ 234-765.
A．for
B．in
C．at
D．on
