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【简答题】
Part time (口语) 1) Why did you have a part time job? What’s the purpose? 2) What is your job and what is your responsibility? 3) What did you think of when you were seeking a part-time job? 4) For your most recent job, what are the advantages and disadvantages?
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【简答题】按采用操作系统来分，计算机分为____。 A、单用户机系统 B、多用户机系统 C、网络系统 D、实时计算机系统
【单选题】网络教室的基本构成包括()
A.
多媒体计算机、控制系统、资源系统、网络连接
B.
教师机、学生机、控制系统、网络连接
C.
教师机、学生机、幻灯投影机、网络连接
D.
多媒体计算机、控制系统、网络连接、幻灯投影机
【单选题】According to the study, what may be helpful for children's language study?
A.
Bedroom TV.
B.
Home computers.
C.
Bedroom telephones.
【单选题】U.S. to Start $3.2 Billion Child Health Study in January A study that will cost $3.2 billion and last more than two decades to track the health of 100,000 U. S. children from before birth to age 21 wi...
A.
conduct research.
B.
track public health.
C.
prevent or treat illness.
D.
speed up development.
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