皮皮学，免费搜题
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【判断题】
在数据库的「路径」这个属性中设置:hive.metastore.warehouse.dir,其中默认的属性值是/user/hive/。
A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】对反应 3H 2 (g) + N 2 (g) → 2NH 3 (g) 来说,当用 -△[N 2 ] / △t 表示其反应速率时,与此 相当的是( )。
A.
△[NH 3 ] / 2△t
B.
- △[NH 3 ] /2 △t
C.
- 2△[NH 3 ] / △t
D.
2△[NH 3 ] / △t
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【单选题】反应3H 2 (g)+N 2 (g)=2NH3(g)的化学平衡常数的表达式是()
A.
K=[NH 3 ]/([N 2 ][H 2 ])
B.
K=[NH 3 ] 2 /([N 2 ][H 2 ])
C.
K=[NH 3 ] 2 /([N 2 ][H 2 ] 3 )
D.
K=([N 2 ][H 2 ] 3 )/[NH 3 ] 2
E.
K=([N 2 ][H 2 ])/[NH 3 ]
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【单选题】下列说法正确的是
A.
俯视图的下方和左视图的右方，表示机件的前方
B.
组合体的组合形式为叠加和穿孔
C.
组合体的尺寸分两种：定型尺寸和定位尺寸
D.
轴测图中三个轴向伸缩系数都相等的，称为正等测图
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【单选题】一般用来安排旅游团队或会议客人,这类客房在酒店中占绝大多数,这类客房是指( )
A.
单人间
B.
大床间
C.
双人间
D.
标准间
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【单选题】N 2 (g) + 3H 2 (g) == 2NH 3 (g) 反应前 n 1 ( mol ) 4 9 0 反应某时刻 n 2 ( mol ) 2 3 2 ξ=?
A.
1mol
B.
2mol
C.
3mol
D.
-3mol
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【简答题】Identify and correct the mistake(s). Note there is no mistake in two of the sentences. Both his parents and his teacher do not believe that the boy lied.
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【单选题】Both his parents and teacher ____ proud of _____.
A.
are; he
B.
are; him
C.
is; him
D.
is; his
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【简答题】Both his parents and his teacher do not believe that the boy lied.
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【简答题】改错: Both his parents and his teacher do not believe that the boy lied.
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【简答题】从下列所给词中选择合适的词,并用其正确形式填空。 appreciate assign continue equipment excellent invite range service source task unable work(v.) He won the first prize for his __...
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相关题目：
【单选题】对反应 3H 2 (g) + N 2 (g) → 2NH 3 (g) 来说,当用 -△[N 2 ] / △t 表示其反应速率时,与此 相当的是( )。
A.
△[NH 3 ] / 2△t
B.
- △[NH 3 ] /2 △t
C.
- 2△[NH 3 ] / △t
D.
2△[NH 3 ] / △t
查看完整题目与答案
【单选题】反应3H 2 (g)+N 2 (g)=2NH3(g)的化学平衡常数的表达式是()
A.
K=[NH 3 ]/([N 2 ][H 2 ])
B.
K=[NH 3 ] 2 /([N 2 ][H 2 ])
C.
K=[NH 3 ] 2 /([N 2 ][H 2 ] 3 )
D.
K=([N 2 ][H 2 ] 3 )/[NH 3 ] 2
E.
K=([N 2 ][H 2 ])/[NH 3 ]
查看完整题目与答案
【单选题】下列说法正确的是
A.
俯视图的下方和左视图的右方，表示机件的前方
B.
组合体的组合形式为叠加和穿孔
C.
组合体的尺寸分两种：定型尺寸和定位尺寸
D.
轴测图中三个轴向伸缩系数都相等的，称为正等测图
查看完整题目与答案
【单选题】一般用来安排旅游团队或会议客人,这类客房在酒店中占绝大多数,这类客房是指( )
A.
单人间
B.
大床间
C.
双人间
D.
标准间
查看完整题目与答案
【单选题】N 2 (g) + 3H 2 (g) == 2NH 3 (g) 反应前 n 1 ( mol ) 4 9 0 反应某时刻 n 2 ( mol ) 2 3 2 ξ=?
A.
1mol
B.
2mol
C.
3mol
D.
-3mol
查看完整题目与答案
【简答题】Identify and correct the mistake(s). Note there is no mistake in two of the sentences. Both his parents and his teacher do not believe that the boy lied.
查看完整题目与答案
【单选题】Both his parents and teacher ____ proud of _____.
A.
are; he
B.
are; him
C.
is; him
D.
is; his
查看完整题目与答案
【简答题】Both his parents and his teacher do not believe that the boy lied.
查看完整题目与答案
【简答题】改错: Both his parents and his teacher do not believe that the boy lied.
查看完整题目与答案
【简答题】从下列所给词中选择合适的词,并用其正确形式填空。 appreciate assign continue equipment excellent invite range service source task unable work(v.) He won the first prize for his __...
查看完整题目与答案