中间业务是指商业银行运用自己的资金代理客户承办支付和其他委托事项并从中收取手续费的业务。( )

关于龈沟出血指数的计分标准，叙述正确的是（）

A．0=龈缘和龈乳头外观健康，轻探龈沟后点状出血
B．1=龈缘和龈乳头呈轻度炎症，轻探龈沟后点状出血
C．2=牙龈呈轻度炎症，有颜色改变，有肿胀或水肿，探诊后点状出血
D．3=牙龈呈中度炎症，有颜色改变和轻度水肿，探诊后出血，血溢在龈沟内
E．4=牙龈有色的改变，明显肿胀，有时有溃疡，探诊后有脓液流出

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听力原文：W: Tom, what time is it now?M: It's still early, just after two. W: Well, as you know, this is a very important appointment. I can't be late, can I?Why does the woman ask about the time?A．She does not have a watch.B．She is nervous about the appointment.C．Tom's watch keeps good time.D．Tom is afraid to be late.

A.She
B.
B．She
C.
C．Tom's
D.
D．Tom
E.

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