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【简答题】
Little Tom likes cartoons (动画片) very much .When the cartoons begin on TV, he does nothing until they’re over. Sometimes he’d rather wait for a long time and go to bed late. In the morning his mother has to wake him up, or he will be late for school. Yesterday Tom heard there would be an interesting cartoon today. This morning, as soon as he got up, he turned the television, but didn’t receive the programme. He had to have breakfast and then went to school. After school he ran home while his mother was cooking supper in the kitchen (厨房). He hurried to the sitting room and turned on the television again, but he couldn’t find the cartoon. He rushed into the kitchen and asked his mother to help. “It’s only five now,” said the woman. “Your programme will be after supper.”“Well, let’s have supper right now!” 小题1: Tom goes to bed late sometimes, so______ . A.he’s late for school B.he goes to school by bus C.he can’t wake up himself in the morning D.he has to go to school without breakfast 小题2:Tom spends much time _____ when he is free. A.playing football B.watching football matches on TV C.doing his homework D.watching cartoons on TV 小题3:Tom _____,so he turned on the television after getting up this morning . A.thought he had some time left B.didn’t know when the cartoon would begin C.wanted to know the important news D.hoped to watch TV play 小题4:Tom was afraid _____, so he ran home. A.to miss the interesting cartoon B.to miss the last bus C.he would be hungry D.he had little time to finish his homework 小题5: Tom thought _____. A.supper should be ready B.his mother’s watch was slow C.the cartoon would be as soon as he finished supper D.his mother cooked super too late
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【单选题】8选1数据选择器74LS151有 ( )位地址变量 。
A.
3
B.
4
C.
5
【判断题】“维修工具、机件、场地、人身清洁;工具、机件、油水不落地”,是《全国汽车 维修行业行为规范公约》中“文明生产,保护环境”提出的具体要求:
A.
正确
B.
错误
【单选题】在正式沟通往往形式中,一般认为链式、Y式、轮式沟通集中程度高,而环式和全通道式是开放式和民主的,在对五种沟通形式的评价中,你认为哪种说法是正确的?()
A.
环式、全通道式沟通信息传递的集中化程度低于其他三种
B.
环式全通道式沟通,信息传递速度高于其他三种类型
C.
环式全通道式沟通,沟通渠道多于其他三种类型
D.
以上三种提法都正确
【简答题】写出图3.2.86所示8选1数据选择器74LS151组成电路的输出逻辑表达式。
【单选题】修订后的《北京市实验动物管理条例》明确了北京市实验动物管理部门管理机构的隶属关系、从业单位及其人员的业务要求、实验动物饲养繁育技术程序、实验动物应用条件标准、实验动物质量检测机构条件以及防疫制度和法律责任、动物福利及()等有关内容。
A.
人员管理
B.
环境安全
C.
生物安全
D.
环境保护
【简答题】用一片同步计数器74LS169和一片8选1数据选择器74LS151,设计一个输出序列为01001100010111的序列信号发生器,画出逻辑图。
【简答题】在民航计算机系统中,星期显示均以简称出现,星期三的英文简称是()
【判断题】非正式沟通的优点是沟通不拘形式,直接明了,传递速度快,容易及时了解正式沟通难以提供的内幕新闻。组织中的重要信息和文件等的传递一般都采用这种形式。
A.
正确
B.
错误
【单选题】8选1数据选择器74LS151有个 ( ) 地址控制端。
A.
2
B.
3
C.
4
D.
5
【判断题】在确定再订货点时,需要综合考虑保险储备量、原材料的日消耗量、预计交货时间和每次订货成本。( )
A.
正确
B.
错误
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