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【简答题】
求φ45G7/h6的极限间隙或极限过盈,并画出公差带图。
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参考答案:
举一反三
【简答题】用双线桥表示下列反应中得失电子的情况,并指明氧化剂、还原剂、氧化产物、还原产物: 3FeO + 10HNO 3 === 3Fe(NO 3 ) 3 + NO↑ + 5H 2 O ( ) ( ) ( ) ( ) 其中,氧化性:__________ > ___________ ; 还原性:___________ > ___________
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【单选题】Conversations 1~1
A.
B.
C.
D.
D
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【单选题】conversations 1
A.
growing population.
B.
packaging materials.
C.
changed eating habits.
D.
lower production cost.
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【单选题】Conversations 1^1
A.
B.
C.
D.
D
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【单选题】Conversations 1~4
A.
B.
C.
D.
D
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【单选题】Conversations1'1
A.
B.
C.
D.
D
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【单选题】conversations1
A.
The English grammar is quite easy.
B.
It is greatly influenced by French.
C.
It could be pronounced easily.
D.
It is attractive to English beginners.
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【简答题】(12分)用双线桥表示下列反应中得失电子的情况,并指明氧化剂、还原剂、氧化产物、还原产物: 3FeO + 10HNO 3 ='== ' 3Fe(NO 3 ) 3 + NO↑ + 5H 2 O ( ) ( ) ( ) ( ) 其中,氧化性:__________ > ___________ ;还原性:___________ > ___________
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【单选题】Short conversations 1
A.
They teach compet i t i on as an essential driving skill.
B.
They need more supervision over the high charges and bribes.
C.
They are too few to meet the rising demand.
D.
They have a demand for more competent instructors.
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【简答题】(1)写出下列反应的化学方程式:钠在空气中加热______,过氧化钠和水反应______ (2)用双线桥法表示下列氧化还原反应中电子转移的数目,并指出氧化剂.MnO 2 +4HCl(浓) △ . MnCl 2 +2H 2 O+Cl 2 ↑ 氧化剂______.______.
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【简答题】用双线桥表示下列反应中得失电子的情况,并指明氧化剂、还原剂、氧化产物、还原产物: 3FeO + 10HNO 3 === 3Fe(NO 3 ) 3 + NO↑ + 5H 2 O ( ) ( ) ( ) ( ) 其中,氧化性:__________ > ___________ ; 还原性:___________ > ___________
查看完整题目与答案
【单选题】Conversations 1~1
A.
B.
C.
D.
D
查看完整题目与答案
【单选题】conversations 1
A.
growing population.
B.
packaging materials.
C.
changed eating habits.
D.
lower production cost.
查看完整题目与答案
【单选题】Conversations 1^1
A.
B.
C.
D.
D
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【单选题】Conversations 1~4
A.
B.
C.
D.
D
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【单选题】Conversations1'1
A.
B.
C.
D.
D
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【单选题】conversations1
A.
The English grammar is quite easy.
B.
It is greatly influenced by French.
C.
It could be pronounced easily.
D.
It is attractive to English beginners.
查看完整题目与答案
【简答题】(12分)用双线桥表示下列反应中得失电子的情况,并指明氧化剂、还原剂、氧化产物、还原产物: 3FeO + 10HNO 3 ='== ' 3Fe(NO 3 ) 3 + NO↑ + 5H 2 O ( ) ( ) ( ) ( ) 其中,氧化性:__________ > ___________ ;还原性:___________ > ___________
查看完整题目与答案
【单选题】Short conversations 1
A.
They teach compet i t i on as an essential driving skill.
B.
They need more supervision over the high charges and bribes.
C.
They are too few to meet the rising demand.
D.
They have a demand for more competent instructors.
查看完整题目与答案
【简答题】(1)写出下列反应的化学方程式:钠在空气中加热______,过氧化钠和水反应______ (2)用双线桥法表示下列氧化还原反应中电子转移的数目,并指出氧化剂.MnO 2 +4HCl(浓) △ . MnCl 2 +2H 2 O+Cl 2 ↑ 氧化剂______.______.
查看完整题目与答案
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