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教育技术 2005 定义( AECT'2005 定义): 教育技术是通过创造、使用、管理适当的 的过程和资源,以 和 的研究与符合伦理道德的实践。
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参考答案：
举一反三
【单选题】根据下列文章,请回答 46～50 题。 Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought. (46) Or, the person sitting next to you takes out a na...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways, but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly, you feel someone leaning over your shoulder reading along with you. 第 46 题 请选择（1）处最佳答案。
查看完整题目与答案
【单选题】根据下面材料，回答题。 Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought. ____46____ Or, the person sitting next to you takes out a nail...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways， but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly， you feel someone leaning over your shoulder reading along with you.
查看完整题目与答案
【判断题】变频控制技术的进步不仅仅是异步电动机结构简单、坚固、易于维护等优点，更主要的是采用变频调速技术的异步电动机的机械特性达到了直流电动机调压调速的特性。
A.
正确
B.
错误
查看完整题目与答案
【单选题】19我可以指定快递吗?
A.
亲，您要发什么快递？我看看可以按照您的要求发货吗？
B.
应该可以吧！
C.
亲，您看您需要什么快递？
查看完整题目与答案
【单选题】阅读材料，回答题。 Mind Those Manners on the Subway? So, there you are, just sitting there in the subway car, enjoying that book you just bought. 46Or the person sitting next to you takes out a nail clipper (指...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable
D.
Many people do this on subways， but it's really annoying
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly， you feel someone leaning over your shoulder reading something with you
查看完整题目与答案
【单选题】函数 f(x)= 1- x 2 |x+2|+|x-3| 是（　　）
A.
奇函数
B.
偶函数
C.
既是奇函数又是偶函数
D.
非奇非偶函数
查看完整题目与答案
【简答题】异步电动机的主要用途及优缺点
查看完整题目与答案
【多选题】关于异步电动机,下述表达正确的是( )。
A.
交流电机分为同步电机和异步电机两大类型；
B.
异步电动机的主要优点是结构简单、容易制造、价格低廉、运行效率高；
C.
异步电动机的缺点是起动转矩不大，运行时功率因素总小于1；
D.
按照转子结构分，异步电动机分为绕线型异步电动机和笼型异步电动机两种类型。
查看完整题目与答案
【单选题】根据短文内容，回答题。 Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought__________ (46) Or, the person sitting next to you takes out a n...
A.
.Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways， but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly， you feel someone leaning over your shoulder reading along with you.
查看完整题目与答案
【单选题】函数 f(x)=lo g 2 ( x 2 +1 -x) 是（　　）
A.
奇函数
B.
偶函数
C.
非奇非偶函数
D.
既奇又偶函数
查看完整题目与答案
相关题目：
【单选题】根据下列文章,请回答 46～50 题。 Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought. (46) Or, the person sitting next to you takes out a na...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways, but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly, you feel someone leaning over your shoulder reading along with you. 第 46 题 请选择（1）处最佳答案。
查看完整题目与答案
【单选题】根据下面材料，回答题。 Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought. ____46____ Or, the person sitting next to you takes out a nail...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways， but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly， you feel someone leaning over your shoulder reading along with you.
查看完整题目与答案
【判断题】变频控制技术的进步不仅仅是异步电动机结构简单、坚固、易于维护等优点，更主要的是采用变频调速技术的异步电动机的机械特性达到了直流电动机调压调速的特性。
A.
正确
B.
错误
查看完整题目与答案
【单选题】19我可以指定快递吗?
A.
亲，您要发什么快递？我看看可以按照您的要求发货吗？
B.
应该可以吧！
C.
亲，您看您需要什么快递？
查看完整题目与答案
【单选题】阅读材料，回答题。 Mind Those Manners on the Subway? So, there you are, just sitting there in the subway car, enjoying that book you just bought. 46Or the person sitting next to you takes out a nail clipper (指...
A.
Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable
D.
Many people do this on subways， but it's really annoying
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly， you feel someone leaning over your shoulder reading something with you
查看完整题目与答案
【单选题】函数 f(x)= 1- x 2 |x+2|+|x-3| 是（　　）
A.
奇函数
B.
偶函数
C.
既是奇函数又是偶函数
D.
非奇非偶函数
查看完整题目与答案
【简答题】异步电动机的主要用途及优缺点
查看完整题目与答案
【多选题】关于异步电动机,下述表达正确的是( )。
A.
交流电机分为同步电机和异步电机两大类型；
B.
异步电动机的主要优点是结构简单、容易制造、价格低廉、运行效率高；
C.
异步电动机的缺点是起动转矩不大，运行时功率因素总小于1；
D.
按照转子结构分，异步电动机分为绕线型异步电动机和笼型异步电动机两种类型。
查看完整题目与答案
【单选题】根据短文内容，回答题。 Mind Those Manners on the Subway So, there you are, just sitting there in the subway car, enjoying that book you just bought__________ (46) Or, the person sitting next to you takes out a n...
A.
.Don't eat food in your car.
B.
Don't shout into your mobile phone on a bus or subway.
C.
We all know that some behaviors are simply unacceptable.
D.
Many people do this on subways， but it's really annoying.
E.
Getting off and on in an orderly manner can save time for all.
F.
Suddenly， you feel someone leaning over your shoulder reading along with you.
查看完整题目与答案
【单选题】函数 f(x)=lo g 2 ( x 2 +1 -x) 是（　　）
A.
奇函数
B.
偶函数
C.
非奇非偶函数
D.
既奇又偶函数
查看完整题目与答案
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