【判断题】高钾血症时细胞外液的钾离子移入细胞内,细胞内的氢离子移至细胞外,从而导致代谢性酸中毒。
【简答题】修约下列数字有3位有效数字:7.12499_( )_。
【简答题】修约下列数字有3位有效数字:6.23000_( )__。
【单选题】--Is ___ here? –No, Bob and Tim have asked for leave.
【多选题】每个技防项目可由不同的系统组成。系统组成中一部分是在项目信息的系统类型中勾选后自动生成的,另一部分是在设备信息的其它安防系统里选择添加的。前者有以下几种:()。
【简答题】高钾血症时,细胞外____离子移入细胞内,细胞内____离子移到细胞外,引起细胞外酸中毒,细胞内碱中毒;同时肾小管上皮细胞内K+增高,____降低,造成肾小管____交换减弱,____交换增强,尿排K+增加.排H+减少,尿液呈碱性。
【简答题】修约下列数字为 3 位有效数字: 0.5666900 , 1.2451 , 7.12500 。
【单选题】Man: Are you sure Bob and Tim will come to help today? Woman: No problem. They're men of their words. Question: What does the woman want to tell the man?
A.
Bob and Tim will keep their promise.
B.
Bob and Tim are good speakers.
C.
Bob and Tim will be on the woman's side.
D.
Bob and Time are very helpful.
【多选题】常规密码通信系统由以下哪几部分组成()。