若α为锐角，则sinα-tanα的值为[ ]
A．大于零
B．小于零
C．等于零
D．以上都不对
答案：B
He said he had _____ spaghetti with his father on his birthday. [ ]
A. a
B. an
C. the
D. /
平等资金池子账户属性修改包括（）。
A.正头寸账户优先级
B.负头寸账户优先级
C.营业税税率
D.其他税率
