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【多选题】
向上级机关行文,应当遵循的规则为A.
原则上主送一个上级机关,同时抄送相关上级机关、同级机关和下级机关
B.
党委、政府的相关部门向上级主管部门请示、报告重大事项,应当经本级党委、政府同意或授权
C.
下级机关的请示事项,如需以本机关名义向上级机关请示,应当提出倾向性意见后上报,不得原文转报上级机关
D.
请示应当一文一事,不得在报告等非请示性公文中夹带请示事项
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皮皮学刷刷变学霸
举一反三
【简答题】have_________
【单选题】In our school, the students are not allowed, unless they have special passes, ____ after 11pm.A．
A.
10. In our school, the students are not allowed, unless they have special passes, ____ after 11pm. A．from staying out
B.
stay out
C.
staying out
D.
to stay out
【单选题】钨的逸出功是【图片】，钡的逸出功是【图片】，则钨和钡的截止频率的关系为
A.
钨 的截止频率 大于钡的截止频率
B.
钨的截止频率小于钡的截止频率
C.
相等
D.
无法判断
【简答题】钨的逸出功是4.52eV，钡的逸出功是2.50eV，分别计算钨和钡的截止频率。哪一种金属可以用作可见光范围内的光电管阴极材料?
【简答题】钨的逸出功是4.52eV，钡的逸出功是2.50eV，分别计算钨和钡的截止频率。哪一种金属可以用作可见光范围内的光电管阴极材料?
【单选题】使用过氧乙酸消毒时应注意
A.
消毒物品需悬挂或抖散
B.
放于阴凉处避免高温引起爆炸
C.
浸泡金属类物品浓度为0.2%
D.
2%过氧乙酸溶液用于手的消毒
E.
不能用于体温表的消毒
【单选题】Why have classified advertisements changed in appearance?
A.
Because people no longer want headlines and pictures
B.
B) Because real estate advertising is particularly truthful now
C.
Because the increase in the number of such advertisements means they have to be small now.
D.
Because there are more advertisements now and more competition among advertisers.
【单选题】--- _______ there many trees on the campus? -No, but now we have many everywhere.
A.
Were
B.
Had
C.
Did have
D.
Do have
【简答题】to have a 10. _____ area for socializing
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