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【单选题】
油浸式变压器顶层油温，一般不超过表1的规定（制造厂有规定的按制造厂规定）。当冷却介质温度较低时，顶层油应相应降低。自然循环冷却变压器的顶层油温一般不宜经常超过（）℃。变压器上层油温的报警温度为（）℃，冷却风扇在（）℃启动，（）℃返回（制造厂另有规定除外）
A.
90、85、65、50
B.
85、80、65、55
C.
80、70、60、50
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A.
果香为主,咸味为辅
B.
酸味为主,咸味为辅
C.
酸而带甜,咸味为辅
D.
甜味为主,咸味为辅
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A.
正确
B.
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【单选题】在中职二年级开始至二年级结束前两个月的生涯发展阶段中,生涯规划准备工作不包括:
A.
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B.
围绕职业生涯规划制定相应的成长计划
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B.
2，4-二硝基苯肼
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2，6-二氯靛酚滴定法
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【简答题】设在 平面上， ， 所围成图形的面积为 ，则集合 的交集 所表示的图形面积为 (A) (B) (C) (B) .                        （   ）
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【多选题】The American system of manufacturing was developed in the early 1800s. There is general agreement that the War Department was the driving force behind the development. Around this time, the Department...
A.
The system made parts interchangeable, meaning that it was no longer necessary t return or exchange a machine in the of a malfunction.
B.
The American system of manufacturing was initially used in the armory, but industrialists soon realized it could be applied elsewhere.
C.
There is ongoing debate over who first developed the American system of manufacturing with many inventors claiming to have made the breakthrough.
D.
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A.
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【单选题】适用于还原型抗坏血酸测定方法为
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滴定法
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2 ， 4- 二硝基苯肼
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【单选题】在Windows系统中,若要直接删除文件而不进入回收站,正确的操作是_________ 。
A.
选定文件后，按Shift+Del组合键
B.
选定文件后，按Ctrl+Del组合键
C.
选定文件后，按Del键
D.
选定文件后，按Shift键，再按Del键
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【单选题】XO酱汁的味感是( )。
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【简答题】The mantra of “ faster, _________, quicker” will continue to be the driving force for senior managers of organizations to achieve their business and strategic goals.
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【多选题】The American system of manufacturing was developed in the early 1800s. There is general agreement that the War Department was the driving force behind the development. Around this time, the Department...
A.
The system made parts interchangeable, meaning that it was no longer necessary t return or exchange a machine in the of a malfunction.
B.
The American system of manufacturing was initially used in the armory, but industrialists soon realized it could be applied elsewhere.
C.
There is ongoing debate over who first developed the American system of manufacturing with many inventors claiming to have made the breakthrough.
D.
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查看完整题目与答案
【判断题】抗原特异性由抗原表位决定,半抗原相当于一个抗原表位。
A.
正确
B.
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【单选题】适用于还原型抗坏血酸测定方法为
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滴定法
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C.
荧光法
D.
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查看完整题目与答案
【单选题】在Windows系统中,若要直接删除文件而不进入回收站,正确的操作是_________ 。
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选定文件后，按Shift+Del组合键
B.
选定文件后，按Ctrl+Del组合键
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选定文件后，按Shift键，再按Del键
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