企业短期融资券待偿还余额不得超过企业（）的（）。
A．净资产，60%
B．总资产，60%
C．净资产，40%
D．总资产，40%
参考答案：C
—Who is the most ___________ student in your class?
—I think Jimmy is. He is very out going, helpful and creative.
A．popular
B．clever
C．friendly
D．patient
Anything in the world is ______ if you keep trying. [ ]
A. possible
B. surprising
C. boring
D. difficult
