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【多选题】
(10-8)有如下代码段,为了比较str1与str2是否包含相同的字符,应该采用( )。 String str1=new String("good"); String str2=new String("good" );
A.
str1.compareTo(str2)
B.
str1 = str2
C.
str1.equals(str2)
D.
str1.equalsIgnoreCase(str2)
E.
str1 = = str2
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【单选题】With an increase in world food production, people in Africa and Latin America today eat more food than they did a decade ago.
A.
Y
B.
N
C.
NG
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【单选题】One of the most interesting paradoxes in America today is that Harvard University, the oldest institution of higher learning in the United States, is now engaged in a serious debate about what a unive...
A.
fight against militarism.
B.
take an active part in solving society’s evils.
C.
support old and established institutions.
D.
involve themselves in politics.
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【判断题】Today Wyoming produces more coal than any state in America.
A.
正确
B.
错误
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【单选题】No other holiday that is today widely observed in North America bas such a long and curious history as Thanksgiving. Throughout the Bible, there are references to the Israelites setting apart days for...
A.
the Bible records Israelites' celebration of Thanksgiving Day
B.
Thanksgiving Day originated from England
C.
people in England did not observe Thanksgiving Day until the reformation
D.
February 27, 1872 was the first Thanksgiving Day ever celebrated in the world
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【单选题】用( )编写的程序计算机能直接识别和执行。
A.
C语言
B.
机器语言
C.
汇编语言
D.
高级语言
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【单选题】One of the most interesting paradoxes in America today is that Harvard University, the oldest institution of higher learning in the United States, is now engaged in a serious debate about what a unive...
A.
fight against militarism
B.
take an active part in solving society' s evils
C.
support old and established institutions
D.
involve themselves in politics
查看完整题目与答案
【单选题】下列叙述中正确的是( )。
A.
计算机能直接识别并执行用高级程序语言编写的程序
B.
用机器语言编写的程序可读性最差
C.
机器语言就是汇编语言
D.
高级语言的编译系统是应用程序
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【单选题】电压或电流同时叠加在信号的正负两端所产生的信号为共模信号,这种信号一般表现为噪声,抑制这种噪声可以采用差分放大器,这是因为差分放大器对共模信号()。
A.
起衰减作用
B.
稍微放大
C.
没有放大
D.
缓冲作用
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【简答题】抑制共模噪声可以采用_____________电路,其输入阻抗越高,抑制能力越_______。
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【单选题】Most small-business owners in America today have the characteristic of
A.
not granting paid vacation to employees.
B.
calling employees when on vacation.
C.
having regular holidays during a year.
D.
never having off-work recreational time.
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相关题目：
【单选题】With an increase in world food production, people in Africa and Latin America today eat more food than they did a decade ago.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】One of the most interesting paradoxes in America today is that Harvard University, the oldest institution of higher learning in the United States, is now engaged in a serious debate about what a unive...
A.
fight against militarism.
B.
take an active part in solving society’s evils.
C.
support old and established institutions.
D.
involve themselves in politics.
查看完整题目与答案
【判断题】Today Wyoming produces more coal than any state in America.
A.
正确
B.
错误
查看完整题目与答案
【单选题】No other holiday that is today widely observed in North America bas such a long and curious history as Thanksgiving. Throughout the Bible, there are references to the Israelites setting apart days for...
A.
the Bible records Israelites' celebration of Thanksgiving Day
B.
Thanksgiving Day originated from England
C.
people in England did not observe Thanksgiving Day until the reformation
D.
February 27, 1872 was the first Thanksgiving Day ever celebrated in the world
查看完整题目与答案
【单选题】用( )编写的程序计算机能直接识别和执行。
A.
C语言
B.
机器语言
C.
汇编语言
D.
高级语言
查看完整题目与答案
【单选题】One of the most interesting paradoxes in America today is that Harvard University, the oldest institution of higher learning in the United States, is now engaged in a serious debate about what a unive...
A.
fight against militarism
B.
take an active part in solving society' s evils
C.
support old and established institutions
D.
involve themselves in politics
查看完整题目与答案
【单选题】下列叙述中正确的是( )。
A.
计算机能直接识别并执行用高级程序语言编写的程序
B.
用机器语言编写的程序可读性最差
C.
机器语言就是汇编语言
D.
高级语言的编译系统是应用程序
查看完整题目与答案
【单选题】电压或电流同时叠加在信号的正负两端所产生的信号为共模信号,这种信号一般表现为噪声,抑制这种噪声可以采用差分放大器,这是因为差分放大器对共模信号()。
A.
起衰减作用
B.
稍微放大
C.
没有放大
D.
缓冲作用
查看完整题目与答案
【简答题】抑制共模噪声可以采用_____________电路,其输入阻抗越高,抑制能力越_______。
查看完整题目与答案
【单选题】Most small-business owners in America today have the characteristic of
A.
not granting paid vacation to employees.
B.
calling employees when on vacation.
C.
having regular holidays during a year.
D.
never having off-work recreational time.
查看完整题目与答案