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【单选题】
已知几何体的主视图和俯视图,选择正确的左视图。
A.
（1）
B.
（2）
C.
（3）
D.
都不对
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【单选题】为防止计算机硬件突发故障或病毒入侵的破坏,对于重要的数据文件和资料应 ( )
A.
做定期备份，保存在软盘或优盘中
B.
保存在硬盘中
C.
加密保存到硬盘中
D.
压缩后保存到硬盘中
查看完整题目与答案
【单选题】You money in the first half of this month, and have to some from others.
A.
run out; borrow
B.
use up; borrow
C.
run out; lend
D.
use up; lend
查看完整题目与答案
【单选题】为防止计算机硬件突发故障或病毒入侵的破坏,对于重要的数据文件和资料应 __
A.
保存在硬盘中
B.
加密保存到硬盘中
C.
做定期备份，保存在软盘或优盘中
D.
压缩后保存到硬盘中
查看完整题目与答案
【判断题】The Spring Festival usually starts on the first day of Chinese solar calendar and lasts for almost half a month, which is from the first day to the 15th day of the first month.
A.
正确
B.
错误
查看完整题目与答案
【判断题】During the first half of the 19th century, the first heroic inventor was John Hall who invented the cotton gin in 1794, which was a machine designed to remove the seeds from cotton and it made the cot...
A.
正确
B.
错误
查看完整题目与答案
【多选题】公民的国防义务是: [多选题]
A.
履行兵役的义务
B.
接受国防教育的义务
C.
保护国防设施的义务
D.
协助国防活动的义务
查看完整题目与答案
【判断题】公民的国防义务是指由宪法和法律规定的公民在国防活动中必须履行的责任,由国家强制力保证其落实。
A.
正确
B.
错误
查看完整题目与答案
【单选题】People move from the first stage of sleep to the second and third stags in half an hour or so.
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【判断题】公民的国防义务是指由宪法和法律规定的公民在国防活动中必须履行的责任。
A.
正确
B.
错误
查看完整题目与答案
【单选题】As Philadelphia grew from a small town into a city in the first half of the eighteenth century, it became an increasingly important marketing center for a vast agricultural hinterland. Market days【1】t...
A.
followed
B.
saw
C.
witted
D.
increased
查看完整题目与答案
相关题目：
【单选题】为防止计算机硬件突发故障或病毒入侵的破坏,对于重要的数据文件和资料应 ( )
A.
做定期备份，保存在软盘或优盘中
B.
保存在硬盘中
C.
加密保存到硬盘中
D.
压缩后保存到硬盘中
查看完整题目与答案
【单选题】You money in the first half of this month, and have to some from others.
A.
run out; borrow
B.
use up; borrow
C.
run out; lend
D.
use up; lend
查看完整题目与答案
【单选题】为防止计算机硬件突发故障或病毒入侵的破坏,对于重要的数据文件和资料应 __
A.
保存在硬盘中
B.
加密保存到硬盘中
C.
做定期备份，保存在软盘或优盘中
D.
压缩后保存到硬盘中
查看完整题目与答案
【判断题】The Spring Festival usually starts on the first day of Chinese solar calendar and lasts for almost half a month, which is from the first day to the 15th day of the first month.
A.
正确
B.
错误
查看完整题目与答案
【判断题】During the first half of the 19th century, the first heroic inventor was John Hall who invented the cotton gin in 1794, which was a machine designed to remove the seeds from cotton and it made the cot...
A.
正确
B.
错误
查看完整题目与答案
【多选题】公民的国防义务是: [多选题]
A.
履行兵役的义务
B.
接受国防教育的义务
C.
保护国防设施的义务
D.
协助国防活动的义务
查看完整题目与答案
【判断题】公民的国防义务是指由宪法和法律规定的公民在国防活动中必须履行的责任,由国家强制力保证其落实。
A.
正确
B.
错误
查看完整题目与答案
【单选题】People move from the first stage of sleep to the second and third stags in half an hour or so.
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【判断题】公民的国防义务是指由宪法和法律规定的公民在国防活动中必须履行的责任。
A.
正确
B.
错误
查看完整题目与答案
【单选题】As Philadelphia grew from a small town into a city in the first half of the eighteenth century, it became an increasingly important marketing center for a vast agricultural hinterland. Market days【1】t...
A.
followed
B.
saw
C.
witted
D.
increased
查看完整题目与答案