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【单选题】
妇女,27岁,停经60天,恶心、呕吐一,每日呕吐3~4次,进食量明显减少,尿酮体阴性,正确的护理措施是A.
高蛋白饮食
B.
鼓励少量多餐
C.
绝对卧床休息
D.
输血
E.
日服镇静剂
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【单选题】8个LED采用共阳极接法与9S12单片机的PB端口连接,以下程序代码实现通过查表的方式控制LED灯点亮。阅读下面的程序代码,请回答,当LED灯全部熄灭时,程序中的循环变量m=? #include /* common defines and macros */ #include "derivative.h" /* derivative-specific definitions ...
A.
7
B.
8
C.
9
D.
10
【单选题】Which of the following is NOT the reason for the decrease of salmon according to Mr. Williams?
A.
High water temperatures.
B.
Shocking twist.
C.
Illegal fishing.
D.
Officials' failings.
【简答题】阅读理解 O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He d...
【简答题】电路原理图如上图,功能要求8个LED依次点亮,循环不断。则程序表达为 #include unsigned char code led[8]={0x01 , ,0x08,......};//8个数组 sbit CLR= ; void main() { unsigned char i; unsigned long t; =0;//串口工作方式0 =0;//禁止串口中断 while(1) { (i=0;...
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