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【单选题】
患儿男，8个月。母乳喂养，6个月起添加辅食，为了保证其生理需要，其每日摄入热量为A.
60kcal/kg
B.
70kcal/kg
C.
80kcal/kg
D.
90kcal/kg
E.
110kcal/kg
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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
【简答题】A black-and-white photo from the early 1900s shows a woman in rural America, her face covered with a sinister white mask. In another, from 1930, a tall figure stands in a field tightly wrapped in what...
【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
【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
【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
【单选题】As Philadelphia grew from a small town into a city in the first half of the eighth 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
【多选题】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。公民的国防义务包括( )
A.
兵役义务
B.
接受国防教育的义务
C.
建设国防设施的义务
D.
支持国防建设、参与军事活动的义务
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