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【单选题】
某含氮化合物的质谱图上,其分子离子峰m/z为269,则可提供的信息是
A.
该化合物含奇数氮,相对分子质量为269
B.
该化合物含偶数氮,相对分子质量为269
C.
该化合物含偶数氮
D.
不能确定含奇数或偶数氮
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【单选题】容量为1 MB的磁盘最多可以存储( )。
A.
1024 K 个汉字
B.
1024 个汉字
C.
1024 K个英文字母
D.
512个汉字
【多选题】下列属于沈阳故宫中路的建筑有( )。
A.
大清门
B.
崇政殿
C.
凤凰楼
D.
清宁宫
【多选题】劳动者的基本义务有:
A.
完成劳动任务——劳动义务
B.
提高职业技能
C.
执行劳动安全卫生规程
D.
遵守劳动纪律和职业道德的义务
【单选题】容量为1MB的磁盘最多可以存储()。
A.
1024K个汉字
B.
1000K个英文字母
C.
1000K个汉字
D.
1024K个英文字母
【简答题】It is true that good writers rewrite and rewrite and then rewrite some more. But in order to work up the desire to rewrite, it is important to learn to like what you write at the early stage. I am sur...
【简答题】简述劳动者的基本义务。
【单选题】D It is true that good writers rewrite and rewrite and then rewrite some more. But in order to work up the desire to rewrite, it is important to learn to like what you write at the early stage. I am s...
A.
They often regret writing poor works
B.
Some of them write surprisingly much.
C.
Many of them hate reading their own works
D.
They are happy to review the publishers’ opinions.
【多选题】根据《劳动法》第3条的规定,我国劳动者的基本义务主要有()
A.
劳动义务
B.
提高职业技能义务
C.
遵守劳动纪律义务
D.
遵守职业道德义务
【单选题】听力原文: It is true that good writers rewrite and rewrite and then rewrite some more. But in order to work up the desire to rewrite, it is important to learn to like what you write at the early stage. I ...
A.
People think in words and sentences.
B.
Human ideas are translated into symbols.
C.
People think by connecting threads of ideas.
D.
Human thoughts are expressed through pictures.
【多选题】下列属于沈阳故宫西路的建筑有( )。
A.
凤凰楼
B.
嘉荫堂
C.
文溯阁
D.
仰熙斋
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