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【单选题】
用指针式万用表测二极管的正向电阻时,黑表笔应该接二极管的( )极。
A.
正极
B.
负极
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参考答案:
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【单选题】听力原文:W: What are you going to do this afternoon? M: I told Frank I' d help him work on his car. Q: What did the man plan to do? (16)
A.
To buy Frank a new car.
B.
To drive Frank's car.
C.
To help Frank sell his car.
D.
To help Frank repair his car.
【单选题】听力原文:M: Please buy two packs of cigarettes for me while you are at the store. W: I' m not going to any store. I' m going to see Aunt Mary. But I will get them for you at the gas station. Q: Where will...
A.
At a cigarette store
B.
At a bus station
C.
At a gas station
D.
At Aunt Mary' s
【单选题】Andy: Are you buying that book on ships? I didn't know you were interested in ships. Betty: I’ m not. I’ve just been looking at the pictures. Look, this is the one I' m buying-on modern aircraft. Andy...
A.
A book on planes.
B.
Pictures of ships.
C.
A book on ships.
D.
Pictures of aircraft.
【判断题】连续时间线性定常系统的内部稳定性和外部稳定性是等价的。
A.
正确
B.
错误
【单选题】相同温度、相同摩尔浓度的四种溶液:①CH 3 COONa、②NaHSO 4 、③NaCl、④ 按pH值由大到小的顺序排列,正确的是(  )
A.
④>①>③>②
B.
①>④>③>②
C.
①>②>③>④
D.
④>③>①>②
【多选题】导入活动的主要方式:
A.
教具导入
B.
演示导入
C.
悬念导入
D.
作品导入
E.
游戏导入
F.
直接导入
G.
歌曲导入
【多选题】设计问卷的基本步骤有
A.
确定问卷维度
B.
设计 题型及其答案
C.
问题的编排与指导语的设计
D.
问卷的试用与修改
【多选题】问卷问题的设计步骤有( )。
A.
明确研究假设
B.
确定研究内容
C.
构建目标体系
D.
逐级分解目标
【单选题】以下选项中不属于公益创业要素的是:
A.
强烈的公益使命
B.
高额利润
C.
具有奉献精神的团队
D.
创新的公益模式
【单选题】关于相同温度下物质的量浓度相同的NaCl溶液和NaClO溶液的叙述正确的是
A.
溶液中c(Cl - )等于NaClO溶液中的c(ClO - )与c(HClO)之和
B.
NaCl溶液中离子的总浓度小于NaClO溶液中离子的总浓度
C.
两溶液中的c(H + )与c(OH - )之和相等
D.
NaCl溶液的pH大于NaClO溶液的pH
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