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【多选题】
下列说法正确的是 [     ]
A.
某微粒核外电子排布为2，8，8结构，则该微粒一定是氩原子
B.
最外层电子达到稳定结构的微粒只能是稀有气体的原子
C.
F - ，Na + ，Mg 2+ ，Al 3+ 是与Ne原子具有相同电子层结构的离子
D.
NH 3 与H 3 O + 具有相同的质子数和电子数
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参考答案：
举一反三
【单选题】听力原文：M For us to pay you, I need to do some paperwork—I just need a valid ID and a copy of your social security number. We get that together, and we'll have you on our next payroll. W Does this mean y...
A.
The budget for a project
B.
The woman's payment for a job
C.
The cost of sending the woman for training
D.
The amount the woman needs to pay in taxes
查看完整题目与答案
【单选题】1943年,IBM董事长托马斯.沃森胸有成竹地告诉人们:“我想,多少台主机足以满足整个世界市场。”
A.
5
B.
10
C.
50
D.
100
查看完整题目与答案
【简答题】阅读理解 A new guidebook says being _ happy _ is _ just _ like _ being _ fit -you need to practice the skills needed to get this emotion,even during the darkest times. Roadtesting Happiness : How to be Ha...
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【单选题】—What do you find hardest in English? —________. —Well, you just need lots of practice. Why don't you buy a radio? The more you listen to English, the easier it becomes.
A.
I find listening really hard. Sometimes it's just impossible to understand.
B.
I'm limited in vocabulary, which influences my reading and writing.
C.
I don't like English at all.
查看完整题目与答案
【多选题】在下述原理、法则、定理中,只适用于刚体的有( )
A.
力的平行四边形法则
B.
二力平衡原理
C.
三力汇交定理
D.
加减平衡力系公理
查看完整题目与答案
【简答题】如果一个放大器的开环电压放大倍数是 ,引入一个串联电压负反馈,反馈系数是 0.01. 如果这个放大电路的开环电压放大倍数受到温度的影响变化了10%,引入反馈以后的闭环电压放大倍数将会变化( )%。这个例子说明, 电压串联负反馈可以( )[稳定, 增大]电压放大倍数。
查看完整题目与答案
【单选题】在下述公理、定理中,只适用于刚体的有( )。
A.
三力平衡汇交定理
B.
力的平行四边形法则
C.
加减平衡力系公理
D.
作用与反作用公理
查看完整题目与答案
【单选题】You ______ to tell him the news; It just made him sad. [     ]
A.
need not
B.
doesn't need
C.
need
D.
don't need
查看完整题目与答案
【简答题】You don’t need to speak French to understand the Parisians. You just need to know how to make gestures. A new guide has come out by French tourism officials, which is to help foreign visitors understa...
查看完整题目与答案
【单选题】《平凡的世界》中,润叶最终和谁结婚?
A.
李向前
B.
孙少安
C.
刘根民
D.
孙少平
查看完整题目与答案
相关题目：
【单选题】听力原文：M For us to pay you, I need to do some paperwork—I just need a valid ID and a copy of your social security number. We get that together, and we'll have you on our next payroll. W Does this mean y...
A.
The budget for a project
B.
The woman's payment for a job
C.
The cost of sending the woman for training
D.
The amount the woman needs to pay in taxes
查看完整题目与答案
【单选题】1943年,IBM董事长托马斯.沃森胸有成竹地告诉人们:“我想,多少台主机足以满足整个世界市场。”
A.
5
B.
10
C.
50
D.
100
查看完整题目与答案
【简答题】阅读理解 A new guidebook says being _ happy _ is _ just _ like _ being _ fit -you need to practice the skills needed to get this emotion,even during the darkest times. Roadtesting Happiness : How to be Ha...
查看完整题目与答案
【单选题】—What do you find hardest in English? —________. —Well, you just need lots of practice. Why don't you buy a radio? The more you listen to English, the easier it becomes.
A.
I find listening really hard. Sometimes it's just impossible to understand.
B.
I'm limited in vocabulary, which influences my reading and writing.
C.
I don't like English at all.
查看完整题目与答案
【多选题】在下述原理、法则、定理中,只适用于刚体的有( )
A.
力的平行四边形法则
B.
二力平衡原理
C.
三力汇交定理
D.
加减平衡力系公理
查看完整题目与答案
【简答题】如果一个放大器的开环电压放大倍数是 ,引入一个串联电压负反馈,反馈系数是 0.01. 如果这个放大电路的开环电压放大倍数受到温度的影响变化了10%,引入反馈以后的闭环电压放大倍数将会变化( )%。这个例子说明, 电压串联负反馈可以( )[稳定, 增大]电压放大倍数。
查看完整题目与答案
【单选题】在下述公理、定理中,只适用于刚体的有( )。
A.
三力平衡汇交定理
B.
力的平行四边形法则
C.
加减平衡力系公理
D.
作用与反作用公理
查看完整题目与答案
【单选题】You ______ to tell him the news; It just made him sad. [     ]
A.
need not
B.
doesn't need
C.
need
D.
don't need
查看完整题目与答案
【简答题】You don’t need to speak French to understand the Parisians. You just need to know how to make gestures. A new guide has come out by French tourism officials, which is to help foreign visitors understa...
查看完整题目与答案
【单选题】《平凡的世界》中,润叶最终和谁结婚?
A.
李向前
B.
孙少安
C.
刘根民
D.
孙少平
查看完整题目与答案
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