【单选题】We can’t help you ____ you tell us what’s wrong.
【单选题】下列对于褶皱要素说法正确的是
C.
如果枢纽是一条直线,轴面可以是曲面 ,也可以是平面
【单选题】To tell the truth, what you said was too ________ for us to understand.
【单选题】—Can you tell us what is important to a businessman? — ________ information.