对基金管理人运用基金买卖股票、债券的差价收入征收营业税。（）
参考答案：错
–It’s said that Wang Meng spent almost 10 hours training every day.
--That’s true. She is really hard-working. ______, she won 3 golden medals in the 21st Winter Olympics.
A．By the way
B．First of all
C．As a result
D．In order to
黄酮类化合物的颜色与下列哪项因素有关（）
A.具有色原酮
B.具有色原酮和助色团
C.具有2-苯基色原酮
D.具有2-苯基色原酮和助色团
E.结构中具有邻二酚羟基
