男性贫血患者伴有慢性腹泻，血清铁蛋白9μg/L，血清铁8μmol/L，首选的治疗方法

如图所示，甲地形区是：（  ）

A．青藏高原

B．柴达木盆

C．四川盆地

D．塔里木盆地

速记略写法中“选”代表“选择”，“正”代表“正直”，这是( )略写法。

A．合成词

B．常用词

C．联绵词

D．单音节词

营养性巨幼红细胞性贫血骨髓象特点哪些是错误的（）

A.巨核细胞分叶过多，胞浆颗粒减少

B.粒细胞体积大，核分叶过少呈核左移

C.幼红细胞呈巨幼样变

D.胞浆发育落后于细胞核

E.红系造血旺盛

Frame Relay is simplified form of (66) , similar in principle to (67) , in which synchronous, frames of data are routed to different destinations depending on header information.

Packets are routed throught one or more Virtual Circuits known as (68) . Most Virtual Circuits are (69) , which means that the network provider sets up all DLCI connections at subscription time. (70) are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.

68（）

A．DLCIs

B．HDLCs

C．SDLCs

D．DLs

如果在B2：B11区域中产生数字序号1，2，3，……10，则先在B2单元格中输入数字1，再选中单元格B2，按住（）不放，然后用鼠标拖动填充柄至B11。

A.Alt

B.Ctrl

C.Shift

D.Insert