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【单选题】
有一半径为R的单匝圆线圈通以电流I.若将该导线弯成匝数为N=2的平面圆线圈, 导线长度不变, 并通以同样的电流, 则线圈中心的磁感应强度和线圈的磁矩分别为原来的
A.
4倍和 倍
B.
4倍和 倍
C.
2倍和 倍
D.
2倍和 倍
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参考答案：
举一反三
【单选题】Which of these is the best introduction sentence for an introduction email?
A.
My name is Sandra Hill, and I am a senior accountant.
B.
My name is Sandra, and I am a senior accountant at ABC, Inc.
C.
My name is Sandra Hill, and I just graduated from university with a Bachelor's Degree in Accounting.
D.
My name is Sandra Hill, and I just graduated from ABC University with a Bachelor’s Degree in Accounting.
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【单选题】Which introduction does the speaker use according to dialogue 2?
A.
“Hi!My name is …”
B.
“Hello,I’m …”
C.
“I’dlike you to meet …”
D.
“I’d like to introduce …”
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【判断题】某日，一农民来到银行家面前，申请贷款1元钱。银行家对这么小的贷款金额感到非常奇怪，他同意了该笔贷款，同时要求农民提供贷款抵押品。农民从口袋中掏出一大把国债，问道：“这些足够了吗”？银行家说，“够了，够了，已远远超出要求的抵押品数额了，但是你必须支付10%的贷款利息”。农民答应了，将国债连同一角硬币交给银行家，拿着1元贷款走了。 一年后，农民又来到银行家面前申请续借，并支付了一角硬币。到了第三年，...
A.
正确
B.
错误
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【多选题】属于物理净化作用主要途径的是
A.
稀释
B.
扩散
C.
淋洗
D.
挥发
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【单选题】Which will NOT appear in Introduction?
A.
To state briefly the methodology.
B.
To interpret the data implication.
C.
To indicate the potential outcomes.
D.
To outline the paper structure.
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【多选题】淋病奈瑟氏菌的传播途径主要包括
A.
性接触
B.
输血
C.
器官移植
D.
共用不洁毛巾
E.
共用不洁浴盆或马桶
查看完整题目与答案
【简答题】word具有哪些功能？
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【单选题】which part is not included in a letter of introduction?
A.
a resume of the applicant
B.
the name of the introduced person
C.
the main purpose of introduction
D.
gratitude
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【多选题】以下变量名符合JavaScript标识符命名规则的有哪些?
A.
_a
B.
_1
C.
$
D.
1$
E.
$_1
查看完整题目与答案
【单选题】Which is NOT true about introduction?
A.
It should include motivation.
B.
It should allow the reader to understand your perspective.
C.
It should include detailed description of the supporting evidence.
D.
The reader should also understand the contribution.
查看完整题目与答案
相关题目：
【单选题】Which of these is the best introduction sentence for an introduction email?
A.
My name is Sandra Hill, and I am a senior accountant.
B.
My name is Sandra, and I am a senior accountant at ABC, Inc.
C.
My name is Sandra Hill, and I just graduated from university with a Bachelor's Degree in Accounting.
D.
My name is Sandra Hill, and I just graduated from ABC University with a Bachelor’s Degree in Accounting.
查看完整题目与答案
【单选题】Which introduction does the speaker use according to dialogue 2?
A.
“Hi!My name is …”
B.
“Hello,I’m …”
C.
“I’dlike you to meet …”
D.
“I’d like to introduce …”
查看完整题目与答案
【判断题】某日，一农民来到银行家面前，申请贷款1元钱。银行家对这么小的贷款金额感到非常奇怪，他同意了该笔贷款，同时要求农民提供贷款抵押品。农民从口袋中掏出一大把国债，问道：“这些足够了吗”？银行家说，“够了，够了，已远远超出要求的抵押品数额了，但是你必须支付10%的贷款利息”。农民答应了，将国债连同一角硬币交给银行家，拿着1元贷款走了。 一年后，农民又来到银行家面前申请续借，并支付了一角硬币。到了第三年，...
A.
正确
B.
错误
查看完整题目与答案
【多选题】属于物理净化作用主要途径的是
A.
稀释
B.
扩散
C.
淋洗
D.
挥发
查看完整题目与答案
【单选题】Which will NOT appear in Introduction?
A.
To state briefly the methodology.
B.
To interpret the data implication.
C.
To indicate the potential outcomes.
D.
To outline the paper structure.
查看完整题目与答案
【多选题】淋病奈瑟氏菌的传播途径主要包括
A.
性接触
B.
输血
C.
器官移植
D.
共用不洁毛巾
E.
共用不洁浴盆或马桶
查看完整题目与答案
【简答题】word具有哪些功能？
查看完整题目与答案
【单选题】which part is not included in a letter of introduction?
A.
a resume of the applicant
B.
the name of the introduced person
C.
the main purpose of introduction
D.
gratitude
查看完整题目与答案
【多选题】以下变量名符合JavaScript标识符命名规则的有哪些?
A.
_a
B.
_1
C.
$
D.
1$
E.
$_1
查看完整题目与答案
【单选题】Which is NOT true about introduction?
A.
It should include motivation.
B.
It should allow the reader to understand your perspective.
C.
It should include detailed description of the supporting evidence.
D.
The reader should also understand the contribution.
查看完整题目与答案
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