DKA发生的诱因有()A．感染 B．停用或减用胰岛素 C．妊娠与分娩 D．创伤、手术

— Have you graduated from collage?

— Yes, ________.

A．I studied French for two years.

B．I have been studying French.

C．I have studied French for two years.

D．I had studied French for two years.

急性肾炎患儿治疗后，先消失的是（）

A.蛋白尿

B.肉眼血尿

C.血压

D.浮肿

E.镜下血尿

计算机网络按地理范围可分为( )。

A．广域网、城域网和局域网

B．广域网、因特网和局域网

C．因特网、城域网和局域网

D．因特网、广域网和对等网

服务投标文件的内容包括______。

A．投标保证金
B．联合体协议书
C．投标函及投标函附录
D．投标一览表
E．投标报价文件

量感