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【单选题】
在LF炉精炼过程中能够将高温电弧掩埋的精炼渣称为()。A.
泡沫渣
B.
合成渣
C.
埋弧渣
D.
精炼白渣
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举一反三
【简答题】2. I don't like my new
office chair. It's not ________ enough.A. narrow B. rude C. wide
【单选题】1 三苯胺 2 N- 甲基苯胺 3 4- 硝基苯胺 4 苯胺按碱性递减排列顺序是:
A.
② ＞④＞③＞①
B.
① ＞②＞③＞④
C.
④ ＞①＞③＞②
D.
② ＞④＞①＞③
【简答题】_______ my new office when you are in town.A. Do come and see B. Do come see C. Coming and see D. Coming see
【简答题】I'm wondering if you 'd like to come and discuss the new plan in my office.
【单选题】I don't like my new office chair. It's not ________ enough.
A.
narrow
B.
rude
C.
wide
【简答题】I don't like my newoffice chair. It's not ________ enough.A. narrow B. rude C. wide
【单选题】41 1三苯胺 2N-甲基苯胺 3对-硝基苯胺 4苯胺按碱性递减排列顺序是 ( )
A.
②＞④＞③＞①
B.
①＞②＞③＞④
C.
③＞②＞④＞①
D.
④＞①＞③＞②
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