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【单选题】
基于网络支持的协作学习的特点是 [ ]
A.
协作学习系统的交互性和协作性
B.
协作学习系统的自由性和开放性
C.
学习群体的广泛性和控制性
D.
学习资源的丰富性和共享性
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举一反三
【判断题】在CSS中,在给块元素设置宽度的前提下,使块元素水平居中的代码为“margin: 0 auto;”。( )
A.
正确
B.
错误
【单选题】Miss Chen, could you provicle me information about F,nglish club? [     ]
A.
with
B.
for
C.
to
D.
about
【单选题】Which sentence below is an example of good business writing in standard E nglish ?
A.
Ortega’s memo stated in no uncertain terms that all employees need to arrive for work on time every day.
B.
Although there are many challenges in today’s market and stock values have dropped considerably since last year, but we can hope to benefit from strategic thinking and careful decision .
C.
Children benefit from getting enough sleep, eating a balanced diet, and playing outdoor.
D.
At any given point in time, well, there is a possibility that we could, like, be called upon for help.
【简答题】请根据你手上线缆的外护套信息,回答如下问题: 1、该线缆品牌为____? 2、该线缆类型为____(几类)? 3、按屏蔽类型,该线缆为____? 4、该线缆的线径为____(含单位)? 5、该线缆生产于____年?
【单选题】He is_____American.I’m_____E    nglish.
A.
a,a
B.
an,a
C.
the,the
D.
/,/[源]
【简答题】_nglish
【判断题】钱王将潮神射死。( )
A.
正确
B.
错误
【判断题】硬件、软件、资金为构成GMP生产质量体系的要素。
A.
正确
B.
错误
【简答题】三相异步电动机在正常工作时,若仅负载转矩增加,则转差率 。 A .不变 B .减小 C .增大
【单选题】三相异步电动机在正常工作时,若仅负载转矩增加,则转差率 。
A.
不变
B.
减小
C.
增大
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