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【多选题】
按照公务员职位的性质、特点和管理需要,将公务员划分( )。A.
综合管理类
B.
专业技术类
C.
行政执法类
D.
行政管理类
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【简答题】Eight in 10 Americans eat fast food at least once a month and half eat it every week according, to a Gallup Poll. Yet most people who eat fast food know it’s bad for them. So why do they keep eating i...
【单选题】The writer suggests that______.
A.
we should eat more fast food
B.
we should not eat too much fast food
C.
we should avoid any fast food
D.
we should not serve fast food
【单选题】More and more Chinese people prefer to eat fast food to save time, so all kinds of fast food restaurants are ________ in China now. [ ]
A.
springing up
B.
waking up
C.
warming up
D.
keeping up
【简答题】利用铝热反应焊接钢轨的原理是2Al+Fe 2 O 3 2Fe+Al 2 O 3 。某研究小组在实验室利用简易装置进行铝热反应，发现生成的铁呈疏松的褐色硬块。小组成员推测主要原因是产物铁含杂质较多，并进一步探究该褐色硬块的组成。 (1)将褐色硬块处理成粉末状。研究小组首先排除了含有单质Al杂质的可能性，实验方法是___________，证明不含单质铝的现象是_________________。 (2...
【简答题】A large number of people in the world eat fast food. Whenever you go into a fast food restaurant, you can see lots of people enjoying their meals there. But do you know in which country people like fa...
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