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【判断题】
键盘是输入设备,但显示器上所显示的内容既有计算机运行的结果,也有用户从键盘输入的内容,所以显示器即是输入设备,又是输出设备。
A.
正确
B.
错误
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【单选题】Today's trumpet (小号) is one of the world's oldest instruments. It is the result of many centuries of development. Although it looks nothing like its ancestors, there are many similarities. All trumpet...
A.
air pressure
B.
daily cleaning
C.
keen eyesight
D.
longer fingers
查看完整题目与答案
【单选题】Today’s trumpet is one of the world’s oldest instruments. It is really the result of many centuries of development. Al though it looks nothing like its ancestors, there are many similarities. All trum...
A.
Air pressure.
B.
Daily cleaning.
C.
Keen eyesight.
D.
Longer fingers.
查看完整题目与答案
【判断题】酒店公共区域管理人员的清洁卫生检查,白天以督促工作为重点,晚上以检查清洁卫生质量为重点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】--_________is the population of the world ? --_________about 7 billion.
A.
How many; It’s           
B.
What; It’s            
C.
What; They’re
查看完整题目与答案
【单选题】Today's trumpet is one of the world's oldest instruments. It is the result of many centuries of development. Although it looks nothing like its ancestors, there are many similarities. All trumpets dir...
A.
air pressure
B.
keen eyesight
C.
daily cleaning
D.
long fingers
查看完整题目与答案
【判断题】酒店公共区域管理人员的清洁卫生检查,白天应以检查清洁卫生质量,了解员工的工作状态和工作量
A.
正确
B.
错误
查看完整题目与答案
【判断题】酒店公共区域管理人员的清洁卫生检查,白天以督促工作为重点,晚上以检查卫生质量为重点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It is implied that many ecologists
A.
believe the world's ecosystems is in an undesirable condition
B.
agree that the environment of the world is not as bad as it is thought to be
C.
appear somewhat unconcerned about the state of the world's environment
D.
have thorough and comprehensive knowledge of the world's environment
查看完整题目与答案
【单选题】根据营业税改征增值税试点相关规定,下列各项中,不属于免税项目的是( )。(2017年)
A.
养老机构提供的养老服务
B.
装修公司提供的装饰服务
C.
婚介所提供的婚姻介绍服务
D.
托儿所提供的保育服务
查看完整题目与答案
【单选题】Today's trumpet is one of the world’s oldest instruments. It is really the result of many centuries of development. Al-though it looks nothing like its ancestors, there are many similarities. All trum...
A.
Air pressure.
B.
Daily cleaning.
C.
Keen eyesight.
D.
Longer fingers.
查看完整题目与答案
相关题目：
【单选题】Today's trumpet (小号) is one of the world's oldest instruments. It is the result of many centuries of development. Although it looks nothing like its ancestors, there are many similarities. All trumpet...
A.
air pressure
B.
daily cleaning
C.
keen eyesight
D.
longer fingers
查看完整题目与答案
【单选题】Today’s trumpet is one of the world’s oldest instruments. It is really the result of many centuries of development. Al though it looks nothing like its ancestors, there are many similarities. All trum...
A.
Air pressure.
B.
Daily cleaning.
C.
Keen eyesight.
D.
Longer fingers.
查看完整题目与答案
【判断题】酒店公共区域管理人员的清洁卫生检查,白天以督促工作为重点,晚上以检查清洁卫生质量为重点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】--_________is the population of the world ? --_________about 7 billion.
A.
How many; It’s           
B.
What; It’s            
C.
What; They’re
查看完整题目与答案
【单选题】Today's trumpet is one of the world's oldest instruments. It is the result of many centuries of development. Although it looks nothing like its ancestors, there are many similarities. All trumpets dir...
A.
air pressure
B.
keen eyesight
C.
daily cleaning
D.
long fingers
查看完整题目与答案
【判断题】酒店公共区域管理人员的清洁卫生检查,白天应以检查清洁卫生质量,了解员工的工作状态和工作量
A.
正确
B.
错误
查看完整题目与答案
【判断题】酒店公共区域管理人员的清洁卫生检查,白天以督促工作为重点,晚上以检查卫生质量为重点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It is implied that many ecologists
A.
believe the world's ecosystems is in an undesirable condition
B.
agree that the environment of the world is not as bad as it is thought to be
C.
appear somewhat unconcerned about the state of the world's environment
D.
have thorough and comprehensive knowledge of the world's environment
查看完整题目与答案
【单选题】根据营业税改征增值税试点相关规定,下列各项中,不属于免税项目的是( )。(2017年)
A.
养老机构提供的养老服务
B.
装修公司提供的装饰服务
C.
婚介所提供的婚姻介绍服务
D.
托儿所提供的保育服务
查看完整题目与答案
【单选题】Today's trumpet is one of the world’s oldest instruments. It is really the result of many centuries of development. Al-though it looks nothing like its ancestors, there are many similarities. All trum...
A.
Air pressure.
B.
Daily cleaning.
C.
Keen eyesight.
D.
Longer fingers.
查看完整题目与答案