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题干在#13题 5)Given the graphs and what your friend knows about economics, he recommends you increase the price of adult tickets to $8 each and lower the price of a child's ticket to $3. How much could you increase total revenue if you take his advice?
A.
total revenue would increase to $440
B.
total revenue would increase to 80
C.
total revenue would increase to $11
D.
total revenue would increase to $360
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参考答案:
举一反三
【简答题】电路如图 所示,已知 I S1 =5A , R 1 =2Ω , I S2 =5A , R 2 =1Ω , R 3 =2Ω 。试用电压源与电流源等效变换的方法求 R 3 中的电流 I 3 。
【单选题】The Great Pyramid ______ nearly five thousand years ago is located on the west bank of the Nile River.
A.
built
B.
was built
C.
building
D.
was building
【简答题】Jim:The Great wall looks great. ______.Lucy:It was first built about twenty-five hundred years ago.
【单选题】已知字符‘A’的ASCII代码是65,字符变量c1的值是‘A’,c2的值是'D',执行语句printf("%d,%d",c1,c2-2);后,输出
A.
A,B
B.
A,68
C.
65,68
D.
65,66
【简答题】Great changes_________ (happen) in this city in the last five years.
【单选题】宪法是国家根本法,具有最高法律效力。下列有关宪法法律效力的哪一项表述是正确的 ? (05 年 司考单选题 )
A.
在不成文宪法的国家中,宪法的法律效力高于其他法律
B.
在我国,任何法律法规都不得与宪法规范、宪法基本原则和宪法精神相抵触
C.
宪法的法律效力主要表现为对公民的行为约束
D.
宪法的法律效力不具有任何强制性
【单选题】已知字符 ‘A’ 的 ASCII 代码值是 65 ,字符变量 c1 的值是 ‘A’ , c2 的值是 ‘D’ 。则执行语句 printf(" % d, % d" , cl , c2-2) ;的输出结果是 ( )。
A.
65 , 68
B.
A . 68
C.
A , B
D.
65 , 66
【单选题】There____a great number of students over there. The number of the Students ________five thousand.
A.
is; are               
B.
are; is              
C.
are; are
【单选题】已知字母‘A’的十进制ASCII代码值为65,下面程序段的输出是 char ch1, ch2; ch1=‘A’+‘5’-‘3’; ch2=‘A’+‘6’-‘3’; printf("%d,%c\n",ch1,ch2); 说明:显示的ch1值是对应ASII整数值,ch2是字符
A.
67, D
B.
C, 68
C.
不确定的值
D.
C, D
【单选题】电压负反馈加电流正反馈的直流调速系统中,电流正反馈环节( )反馈环节。
A.
是补偿环节,而不是
B.
不是补偿环节,而是
C.
是补偿环节,也是
D.
是补偿环节,也不是
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