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【判断题】
载波是周期性信号,不携带信息,可以是正弦波,也可以不是正弦波。
A.
正确
B.
错误
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参考解析：
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【单选题】He quarreled with his mother this morning because he always objects to ______ early, which was just what she did today.
A.
waking up
B.
wake up
C.
being woken up
D.
to be woken up
查看完整题目与答案
【单选题】Because most household objects were mass produced in the 1970s, people ______.
A.
didn't like the way handmade objects looked
B.
didn't want to buy handmade objects
C.
enjoyed seeing handmade objects in museums
D.
preferred buying unique handmade objects
查看完整题目与答案
【单选题】On chart，bearings to near objects should be used in preference to objects farther off，because（）.
A.
a small error in bearing or in laying it down on the chart has a greater effect in misplacing the position the longer the line to be drawn
B.
all scales are kept updated for vital information by Notices to Mariners
C.
the larger the scale of the chart，the greater the detail that can be shown on it
D.
the mariner using the medium scale charts for passage along a coast need not transfer on to a large scale for short distances
查看完整题目与答案
【单选题】社会主义道德建设的基本要求是
A.
团结、民主、科学、进步
B.
爱国主义、社会主义、人道主义
C.
爱祖国、爱人民、爱劳动、爱科学、爱社会主义
D.
语言美、心灵美、行为美、环境美
查看完整题目与答案
【单选题】The objects that Pasteut removed from the air in his experiment were remarkable because they were
A.
primarily single-celled organisms
B.
no different from objects found in putrefying materials
C.
fairly rare
D.
able to live in a mixture of alcohol and ether
查看完整题目与答案
【单选题】The woman objects to living on campus ______
A.
because it costs too much
B.
because there are too many freshmen
C.
because the rooms are too small
D.
because it' s too noisy
查看完整题目与答案
【单选题】在护患关系建立初期,护患关系发展的主要任务是:
A.
对患者收集资料
B.
确定患者的健康问题
C.
为患者制定护理计划
D.
与患者建立信任关系
E.
为患者解决健康问题
查看完整题目与答案
【判断题】水准仪由三部分组成，即望远镜、水准尺和基座组成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Because objects( ) data and implementation, the user of an object can view the object as a black box that provides services.
A.
encapsulate
B.
inherit
C.
connect
D.
refer
查看完整题目与答案
【简答题】社会主义道德建设的基本要求是什么?
查看完整题目与答案
相关题目：
【单选题】He quarreled with his mother this morning because he always objects to ______ early, which was just what she did today.
A.
waking up
B.
wake up
C.
being woken up
D.
to be woken up
查看完整题目与答案
【单选题】Because most household objects were mass produced in the 1970s, people ______.
A.
didn't like the way handmade objects looked
B.
didn't want to buy handmade objects
C.
enjoyed seeing handmade objects in museums
D.
preferred buying unique handmade objects
查看完整题目与答案
【单选题】On chart，bearings to near objects should be used in preference to objects farther off，because（）.
A.
a small error in bearing or in laying it down on the chart has a greater effect in misplacing the position the longer the line to be drawn
B.
all scales are kept updated for vital information by Notices to Mariners
C.
the larger the scale of the chart，the greater the detail that can be shown on it
D.
the mariner using the medium scale charts for passage along a coast need not transfer on to a large scale for short distances
查看完整题目与答案
【单选题】社会主义道德建设的基本要求是
A.
团结、民主、科学、进步
B.
爱国主义、社会主义、人道主义
C.
爱祖国、爱人民、爱劳动、爱科学、爱社会主义
D.
语言美、心灵美、行为美、环境美
查看完整题目与答案
【单选题】The objects that Pasteut removed from the air in his experiment were remarkable because they were
A.
primarily single-celled organisms
B.
no different from objects found in putrefying materials
C.
fairly rare
D.
able to live in a mixture of alcohol and ether
查看完整题目与答案
【单选题】The woman objects to living on campus ______
A.
because it costs too much
B.
because there are too many freshmen
C.
because the rooms are too small
D.
because it' s too noisy
查看完整题目与答案
【单选题】在护患关系建立初期,护患关系发展的主要任务是:
A.
对患者收集资料
B.
确定患者的健康问题
C.
为患者制定护理计划
D.
与患者建立信任关系
E.
为患者解决健康问题
查看完整题目与答案
【判断题】水准仪由三部分组成，即望远镜、水准尺和基座组成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Because objects( ) data and implementation, the user of an object can view the object as a black box that provides services.
A.
encapsulate
B.
inherit
C.
connect
D.
refer
查看完整题目与答案
【简答题】社会主义道德建设的基本要求是什么?
查看完整题目与答案