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【单选题】
x、y均为短周期元素，且x为ⅠA族元素，y为ⅣA族元素。下列说法正确的是
A.
x的原子半径一定大于y的原子半径
B.
由x、y形成的共价化合物中所有原子都满足最外层为8电子结构
C.
x 2 y既可能是离子化合物，也可能是共价化合物
D.
由x、y组成的化合物中，x、y的原子个数比不可能是1：1
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【简答题】Managers use information gathered by job ysis to perform two tasks: One is for preparing job descriptions, which list the duties and responsibilities of a company’s jobs; the other is for preparin...
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【单选题】The manager with __________ style likes to perform many tasks by himself personally but expects his employees to watch and then follow his example.
A.
affiliative
B.
pacesetting
C.
participative
D.
directive
查看完整题目与答案
【简答题】perform the tasks by following the above mini-talks. 编写对话,上传录音。 Refer to the Data Bank in the Workbook for relevant expressions.
查看完整题目与答案
【单选题】some pilots ------ these checklists and perform the tasks by memory, increasing the chances of forgetting to lower the landing gear.
A.
refer to
B.
consult
C.
neglect
D.
forgetting
查看完整题目与答案
【单选题】You want to protect your database from single point of failure by multiplexing the control file. Your database is started using SPFILE. You have to perform the following tasks: 1. Shut down the databa...
A.
1,2,3,4
B.
3,2,1,4
C.
3,1,2,4
D.
2,3,1,4
查看完整题目与答案
【简答题】语文课上，有个学生总是喜欢跟周围同学讲话，交头接耳。语文老师多次提醒、制止，但还是无济于事。时间长了，语文老师开始责骂、讥讽、奚落他，有时候也惩罚他。渐渐地，这个学生越来越不喜欢上语文课，对语文老师产生了极度的厌恶感，最后出现了厌学情绪。家长找老师询问原因，这个老师说："我严格要求有什么错？" 问题：请你根据德育原则分析，这个老师的做法有错吗？如果有错，他违反了什么德育原则？
查看完整题目与答案
【判断题】Rocket engines provide the main thrust for launch, lift off and flight. Missiles come from rockets , the warhead is the most important part of a missile. For instance, most missiles perform their task...
A.
正确
B.
错误
查看完整题目与答案
【简答题】A.directive B. authoritative C. affiliative D. participative E. pacesetting F. coachingDirections:Choose the right word for each statement.4.The manager with __________ style likes to perform many tas...
查看完整题目与答案
【简答题】Directions:Choose the right word for each statement.Directive, Authoritative, Affiliative, Participative, Pacesetting ，Coaching4.The manager with __________ style likes to perform many tasks by hi...
查看完整题目与答案
【单选题】Without the instructions provided by software, computer hardware is unable to perform any of the tasks we associate with computers. 上述句子的准确含义是:
A.
没有指令提供的软件,计算机硬件不能执行任何的任务我们与计算机有关的。
B.
没有软件提供的指令,计算机硬件不能执行与我们有联系的任何计算机任务。
C.
没有软件提供的指令,计算机硬件就无法执行我们与计算机相关的任何任务。
D.
没有指令提供给软件,计算机硬件不能执行任何任务与我们有关联的计算机。
查看完整题目与答案
相关题目：
【简答题】Managers use information gathered by job ysis to perform two tasks: One is for preparing job descriptions, which list the duties and responsibilities of a company’s jobs; the other is for preparin...
查看完整题目与答案
【单选题】The manager with __________ style likes to perform many tasks by himself personally but expects his employees to watch and then follow his example.
A.
affiliative
B.
pacesetting
C.
participative
D.
directive
查看完整题目与答案
【简答题】perform the tasks by following the above mini-talks. 编写对话,上传录音。 Refer to the Data Bank in the Workbook for relevant expressions.
查看完整题目与答案
【单选题】some pilots ------ these checklists and perform the tasks by memory, increasing the chances of forgetting to lower the landing gear.
A.
refer to
B.
consult
C.
neglect
D.
forgetting
查看完整题目与答案
【单选题】You want to protect your database from single point of failure by multiplexing the control file. Your database is started using SPFILE. You have to perform the following tasks: 1. Shut down the databa...
A.
1,2,3,4
B.
3,2,1,4
C.
3,1,2,4
D.
2,3,1,4
查看完整题目与答案
【简答题】语文课上，有个学生总是喜欢跟周围同学讲话，交头接耳。语文老师多次提醒、制止，但还是无济于事。时间长了，语文老师开始责骂、讥讽、奚落他，有时候也惩罚他。渐渐地，这个学生越来越不喜欢上语文课，对语文老师产生了极度的厌恶感，最后出现了厌学情绪。家长找老师询问原因，这个老师说："我严格要求有什么错？" 问题：请你根据德育原则分析，这个老师的做法有错吗？如果有错，他违反了什么德育原则？
查看完整题目与答案
【判断题】Rocket engines provide the main thrust for launch, lift off and flight. Missiles come from rockets , the warhead is the most important part of a missile. For instance, most missiles perform their task...
A.
正确
B.
错误
查看完整题目与答案
【简答题】A.directive B. authoritative C. affiliative D. participative E. pacesetting F. coachingDirections:Choose the right word for each statement.4.The manager with __________ style likes to perform many tas...
查看完整题目与答案
【简答题】Directions:Choose the right word for each statement.Directive, Authoritative, Affiliative, Participative, Pacesetting ，Coaching4.The manager with __________ style likes to perform many tasks by hi...
查看完整题目与答案
【单选题】Without the instructions provided by software, computer hardware is unable to perform any of the tasks we associate with computers. 上述句子的准确含义是:
A.
没有指令提供的软件,计算机硬件不能执行任何的任务我们与计算机有关的。
B.
没有软件提供的指令,计算机硬件不能执行与我们有联系的任何计算机任务。
C.
没有软件提供的指令,计算机硬件就无法执行我们与计算机相关的任何任务。
D.
没有指令提供给软件,计算机硬件不能执行任何任务与我们有关联的计算机。
查看完整题目与答案
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