（）是油菜的水分敏感期，也是最大需水期。
A、越冬期
B、苗期
C、薹花期
D、黄熟期

单项选择题Among the following universities, which is not a member of Ivy League?A. Columbia University.B. Brown University.C. University of Pennsylvania.D. Massachusetts Institute of Technology

单项选择题After July 997, mainland Chinese banks applying to operate in Hongkong are still placed under the category of foreign banks.A.正确B.错误