预借提单是承运人收到货物后，实际装船前签发的没有填写船名和装船日期的提单。（ ）
参考答案：错
Are we going sightseeing sometime next month?-- No. The plan ______ at the second meeting.[ ]
A. was cancelled
B. would cancel
C. has cancelled
D. had been cancelled
（）是由患者自己主动完成的一种训练，它包括静力练习、动力练习和等动练习。
A.主动练习
B.被动练习
C.渐进抗阻练习
D.等长练习
