与银行承兑汇票相比,商业票据在二级市场的流动性较差。
参考答案:对
Danny ______ in the classroom. [ ]
A. maybe
B. may be
C. may is
D. perhaps
蛋鸡从出壳到淘汰,共分三个阶段进行饲养,即()、()、产蛋期。