题目内容:
Which of the following statements about clipper ships is CORRECT?
A.They carried passengers, but not cargo. B.They were large, but surprisingly fast.
C.They were the first successful steam-powered ships.
D.They were more reliable than other ships of the 1860's.
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析: