权益回报率是税后利润与普通股权益之比。
参考答案：对
承销商承销股票的承销期最长不得超过的期限是()。
A.30日
B.60日
C.90日
D.120日
Bob would have come to the airport to see us off, but he _____. [ ]
A. is will
B. had been ill
C. was ill
D. will be ill
