皮皮学,免费搜题
登录
搜题
【单选题】
某未知气体样品为5.0克,在温度为100°C时,压力为291KPa时体积是0.86L,该气体的摩尔质量是
A.
42g/mol
B.
52g/mol
C.
62g/mol
D.
72g/mol
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【判断题】数字视频记录设备的输入、输出信号都是数字视频信号。
A.
正确
B.
错误
【多选题】以下是数字视频缺点的是
A.
计算机编辑处理,特效的加入分辨不清哪些是现实
B.
数字网络传播,马太效应明显
C.
数字视频存储数据量巨大
D.
播放数字视频需要解压缩还原,处理速度慢
【单选题】In the 1920s demand for American farm products fell, as European countries began to recover from World War I and instituted austerity programs to reduce their imports. The result was a sharp drop in f...
A.
The impact of the Great Depression.
B.
The shrinking of overseas markets.
C.
The destruction caused by the First World War.
D.
The increased exports of European countries.
【判断题】MP3是数字视频的标准。 ()
A.
正确
B.
错误
【判断题】本市数字视频安防监控系统的技术规范,是数字视频安防监控设计、建设、评审、检测、验收的依据之一。( )
A.
正确
B.
错误
【判断题】数字视频记录设备的输入、输出信号都是数字视频信号。
A.
正确
B.
错误
【单选题】《作战篇》当中孙子提出的“智将”判断标准是
A.
知己知彼
B.
速战速决
C.
务食于敌
D.
以患为利
【单选题】患者,男性,15岁,急性化脓性阑尾炎收入院,医嘱给予头孢硫脒静脉输液治疗,输液前需采用皮内注射方法做药物过敏试验,有关皮内注射,下述哪项正确
A.
药物过敏试验取上臂三角肌
B.
用稀碘酊消毒皮肤
C.
进针后抽回血
D.
推药液于真皮下
E.
拔针后不按压
【单选题】In the 1920s demand for American farm products fell, as European countries began to recover from World War I and instituted austerity (紧缩) programs to reduce their imports. The result was a sharp drop...
A.
The impact of the Great Depression.
B.
The shrinking of overseas markets.
C.
The destruction caused by the First World War.
D.
The increased exports of European countries.
【单选题】In the 1920s demand for American farm products fell, as European countries began to recover from World War I and instituted austerity (紧缩) programs to reduce their imports. The result was a sharp drop...
A.
The impact of the Great Depression.
B.
The shrinking of overseas markets.
C.
The destruction caused by the First World War.
D.
The increased exports of European countries.
相关题目: