某食品科调查克山病区6份主食大米中硒含量与该地居民血硒含量，计算得r=0．808，0

This is ____________ eraser.[ ]

A. a

B. he

C. an

温脾汤的功用（）。

A.攻下寒积，温补脾阳

B.温里散寒，通便止痛

C.攻逐寒积

D.温肾益精，润肠通便

E.温阳攻积，益气养血

于毛细血管瘤的叙述，下列不正确的是（）。

A.女性多见

B.多见于婴儿

C.大多数为错构瘤

D.有些能够自行停止生长或消退

E.只能通过手术治疗

With respect to closed-end investment companies, generally they:（）

A. buy shares back from investors who want to sell.

B. have the market price of their shares determined by supply and demand.

C. sell additional shares only through the secondary market.

中国银行手机银行（含客户端和WAP）已采用手机号码作为登录用户名，柜员为客户开通手机银行时无需再选开用户名登录方式。