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【单选题】
下列有关滴定的说法正确的是( )
A.
用25 mL滴定管进行中和滴定时,用去标准液的体积为21.7 mL
B.
用标准的KOH溶液滴定未知浓度的盐酸,配制标准溶液的固体KOH中有NaOH杂质,则结果偏低
C.
用c 1 mol·L - 1 酸性高锰酸钾溶液滴定V 2 mL未知浓度的H 2 C 2 O 4 溶液,至滴定终点用去酸性高锰酸钾溶液体积为V 1 mL,则H 2 C 2 O 4 溶液的浓度为 mol·L - 1
D.
用未知浓度的盐酸滴定已知浓度的NaOH溶液时,若读取读数时,滴定前仰视,滴定到终点后俯视,会导致测定结果偏低
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【单选题】阅读下列程序: public class ThreadTest5 extends Thread{ int i = 0; public static void main(String[] args){ Thread t1 = new ThreadTest5(); t1.start(); } public void run( ){ while( i<=2 ){ System.out.println("...
A.
程序不能通过编译，因为在ThreadTest5类中不能定义两个run()方法
B.
程序运行结果为：i = 0 i = 1 i = 2
C.
程序运行结果为：j = 6 j = 7
D.
程序运行结果为：i = 0 i = 1 j = 6 i = 2 j = 7
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【单选题】Almost all recognize that non-scientists as well as laymen are interested in sciences, yet scientists have been trying to classify only those who are involved in ______ scientific practices as genuine...
A.
authentic... articulating
B.
rigorous ... unconvinced of
C.
specialized ... sympathetic to
D.
broad ... certain of
E.
democratic ... rejecting
查看完整题目与答案
【单选题】What does the writer suggest about the kidnapping victims and their relatives?
A.
They should consider themselves lucky to be alive.
B.
They end up with no money at all.
C.
They usually never recover completely.
D.
They live in fear for the rest of their lives.
查看完整题目与答案
【单选题】What does Chasin say about the project?
A.
 It just focused on the sufferings of black females.
B.
 It helped expand the influence of graffiti art.
C.
 It has started the career of many creative artists.
D.
 It has created some meaningful artistic works.
查看完整题目与答案
【单选题】What does Karraker think is also important?
A.
Reducing marital stress on wives.
B.
Stabilizing old couples' relations.
C.
Providing extra care for divorced women.
D.
Making men pay for their wives, health costs.
查看完整题目与答案
【单选题】某个应用程序的main方法中有下面的语句，输出结果为（ ）String s="ABCD";s.concat("E");s.replace('C','F');System.out.println(s);
A.
ABCDEF
B.
ABFDE
C.
ABCDE
D.
ABCD
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【判断题】在固定资产子系统中，设计来源码的目的是区分固定资产取得方式，为加强管理和自动生成转账凭证提供依据。(    )
A.
正确
B.
错误
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【单选题】Scientists also have no idea how long it will be before all wild animals in the cages _____.
A.
should be set free
B.
will be set free
C.
are set free
D.
would be set free
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【单选题】下述程序的运行结果是( )。 Private Sub Form_Click() j = 0 Do While j < 30 j=(j + 1) * (j + 2) k=k + 1 Loop Print k; j End Sub
A.
0 1
B.
3 182
C.
30 30
D.
4 30
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【单选题】标志世界反法西斯战争发生根本性的转折的战役是：
A.
列宁格勒保卫战
B.
诺曼底战役
C.
斯大林格勒保卫战
D.
偷袭珍珠港
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相关题目：
【单选题】阅读下列程序: public class ThreadTest5 extends Thread{ int i = 0; public static void main(String[] args){ Thread t1 = new ThreadTest5(); t1.start(); } public void run( ){ while( i<=2 ){ System.out.println("...
A.
程序不能通过编译，因为在ThreadTest5类中不能定义两个run()方法
B.
程序运行结果为：i = 0 i = 1 i = 2
C.
程序运行结果为：j = 6 j = 7
D.
程序运行结果为：i = 0 i = 1 j = 6 i = 2 j = 7
查看完整题目与答案
【单选题】Almost all recognize that non-scientists as well as laymen are interested in sciences, yet scientists have been trying to classify only those who are involved in ______ scientific practices as genuine...
A.
authentic... articulating
B.
rigorous ... unconvinced of
C.
specialized ... sympathetic to
D.
broad ... certain of
E.
democratic ... rejecting
查看完整题目与答案
【单选题】What does the writer suggest about the kidnapping victims and their relatives?
A.
They should consider themselves lucky to be alive.
B.
They end up with no money at all.
C.
They usually never recover completely.
D.
They live in fear for the rest of their lives.
查看完整题目与答案
【单选题】What does Chasin say about the project?
A.
 It just focused on the sufferings of black females.
B.
 It helped expand the influence of graffiti art.
C.
 It has started the career of many creative artists.
D.
 It has created some meaningful artistic works.
查看完整题目与答案
【单选题】What does Karraker think is also important?
A.
Reducing marital stress on wives.
B.
Stabilizing old couples' relations.
C.
Providing extra care for divorced women.
D.
Making men pay for their wives, health costs.
查看完整题目与答案
【单选题】某个应用程序的main方法中有下面的语句，输出结果为（ ）String s="ABCD";s.concat("E");s.replace('C','F');System.out.println(s);
A.
ABCDEF
B.
ABFDE
C.
ABCDE
D.
ABCD
查看完整题目与答案
【判断题】在固定资产子系统中，设计来源码的目的是区分固定资产取得方式，为加强管理和自动生成转账凭证提供依据。(    )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Scientists also have no idea how long it will be before all wild animals in the cages _____.
A.
should be set free
B.
will be set free
C.
are set free
D.
would be set free
查看完整题目与答案
【单选题】下述程序的运行结果是( )。 Private Sub Form_Click() j = 0 Do While j < 30 j=(j + 1) * (j + 2) k=k + 1 Loop Print k; j End Sub
A.
0 1
B.
3 182
C.
30 30
D.
4 30
查看完整题目与答案
【单选题】标志世界反法西斯战争发生根本性的转折的战役是：
A.
列宁格勒保卫战
B.
诺曼底战役
C.
斯大林格勒保卫战
D.
偷袭珍珠港
查看完整题目与答案