皮皮学，免费搜题
登录
搜题
【单选题】
VHF DSC终端中,FSK信号的'空号'对应()频率。
A.
1615Hz
B.
1785Hz
C.
2100Hz
D.
1300Hz
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
【单选题】营销策划第一步必须是明确营销策划主题，营销策划主题确定一般经过4个阶段，第2阶段是（  ）
A.
选择主题
B.
挖掘主题
C.
确定主题
D.
过滤主题
查看完整题目与答案
【单选题】1994年，美国教育传播与技术协会（简称AECT）出版了西尔斯（Seels）与李奇（Richey）合写的专著（ ），书中提出了教育技术的定义。
A.
《教育技术》
B.
《教育技术：领域的定义和范畴》
C.
《教育学》
D.
《基础教育》
查看完整题目与答案
【单选题】身体素质的基础是
A.
力量素质
B.
速度素质
C.
耐力素质
D.
灵敏素质
查看完整题目与答案
【单选题】如果将一矩形纸片沿一条直线剪成两个多边形 , 那么这两个多边形的内角和之和不可能是 ( )
A.
360°
B.
540°
C.
720°
D.
900°
查看完整题目与答案
【简答题】美国教育传播与技术协会的简写是
查看完整题目与答案
【多选题】接上一题,以下属于营销策划涉及营销策略主题的有?
A.
营销广告主题
B.
包装改进主题
C.
商标设计、注册等主题
D.
渠道选择主题
E.
商品定价主题
查看完整题目与答案
【单选题】What’s Dr. Siegel’s concern?
A.
The sleep disruptions will make the children weak at school.
B.
The sleep disruptions will interfere with the child's performance at school.
C.
The sleep disruptions will interfere with the child's eating habits at school.
D.
The sleep disruptions will make the children lazy at school.
查看完整题目与答案
【单选题】What is the main idea of this passage?
A.
Dr. Whitten and Dr. Schanze's researching experiments on disinfection.
B.
The possible way of eradicating hospital-caused infection and marine-dirt alike.
C.
The history and development of antiseptics.
D.
The process and principle of killing bacteria.
查看完整题目与答案
【单选题】Woman: What do you think of Dr. White's chemistry class?Man: Now there's a teacher who knows her subject!Question: What does the man mean?
A.
Dr. White teaches many different subjects.
B.
He knows Dr. White very well.
C.
Dr. White is very knowledgeable about chemistry.
D.
He doesn't know what subject Dr. White teaches.
查看完整题目与答案
【单选题】What's the reason for Dr. Jeol Hiderbrand's interest in chemistry?
A.
His chemistry teacher was a great teacher.
B.
His parents taught him chemistry when he was very young.
C.
He was born in a time young people had greater freedom to decide what they wanted to do.
D.
His talents were greater than his chemistry teacher.
查看完整题目与答案
相关题目：
【单选题】营销策划第一步必须是明确营销策划主题，营销策划主题确定一般经过4个阶段，第2阶段是（  ）
A.
选择主题
B.
挖掘主题
C.
确定主题
D.
过滤主题
查看完整题目与答案
【单选题】1994年，美国教育传播与技术协会（简称AECT）出版了西尔斯（Seels）与李奇（Richey）合写的专著（ ），书中提出了教育技术的定义。
A.
《教育技术》
B.
《教育技术：领域的定义和范畴》
C.
《教育学》
D.
《基础教育》
查看完整题目与答案
【单选题】身体素质的基础是
A.
力量素质
B.
速度素质
C.
耐力素质
D.
灵敏素质
查看完整题目与答案
【单选题】如果将一矩形纸片沿一条直线剪成两个多边形 , 那么这两个多边形的内角和之和不可能是 ( )
A.
360°
B.
540°
C.
720°
D.
900°
查看完整题目与答案
【简答题】美国教育传播与技术协会的简写是
查看完整题目与答案
【多选题】接上一题,以下属于营销策划涉及营销策略主题的有?
A.
营销广告主题
B.
包装改进主题
C.
商标设计、注册等主题
D.
渠道选择主题
E.
商品定价主题
查看完整题目与答案
【单选题】What’s Dr. Siegel’s concern?
A.
The sleep disruptions will make the children weak at school.
B.
The sleep disruptions will interfere with the child's performance at school.
C.
The sleep disruptions will interfere with the child's eating habits at school.
D.
The sleep disruptions will make the children lazy at school.
查看完整题目与答案
【单选题】What is the main idea of this passage?
A.
Dr. Whitten and Dr. Schanze's researching experiments on disinfection.
B.
The possible way of eradicating hospital-caused infection and marine-dirt alike.
C.
The history and development of antiseptics.
D.
The process and principle of killing bacteria.
查看完整题目与答案
【单选题】Woman: What do you think of Dr. White's chemistry class?Man: Now there's a teacher who knows her subject!Question: What does the man mean?
A.
Dr. White teaches many different subjects.
B.
He knows Dr. White very well.
C.
Dr. White is very knowledgeable about chemistry.
D.
He doesn't know what subject Dr. White teaches.
查看完整题目与答案
【单选题】What's the reason for Dr. Jeol Hiderbrand's interest in chemistry?
A.
His chemistry teacher was a great teacher.
B.
His parents taught him chemistry when he was very young.
C.
He was born in a time young people had greater freedom to decide what they wanted to do.
D.
His talents were greater than his chemistry teacher.
查看完整题目与答案