错帐冻结可（）办理。
A.省内跨网点
B.必须在账户开户网点
C.地市内任意网点
D.全国任意网点
参考答案：A
在Rt△ABC中，∠C=90 °，∠A=30 °，则tanA+tanB=( )
—Guess what! I have got A for my term paper.
—Great! You ______ read widely and put a lot of work into it.
A．must
B．should
C．must have
D．should have
—Guess what! I have got A for my term paper.