围绝经期患者月经紊乱主要表现为（）
A.月经稀发
B.月经量少
C.月经周期不规律
D.痛经
E.闭经
参考答案：C
We must behave ____ at a formal table.
A．accurately
B．precisely
C．appropriately
D．rightly
Several Chinese films are rising to international fame, _____, Brokeback Mountain directed by Ang Lee has won the Oscar Awards.
A．such as
B．for example
C．namely
D．that is
