单选题Let Ω p be defined as p2/3-p for all positive integers, p. If Ωn = s, and s is a positive integer, which of the following is a possible value for s?A 1B 3C 5D 6E 8

题目

单选题

Let Ω p be defined as p2/3-p for all positive integers, p. If Ωn = s, and s is a positive integer, which of the following is a possible value for s?

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1.Which of the following words best describes the author’s attitude towards China’s high-speed railway plan?A．Critical．B．Reserved．C．DoubtfulD. Positive．

2.若输入“abcdef”“abdef”，下述程序的输出结果为( )。 #include<stdio．h> #include<string．h> main { int n； char s1[20]，s2[20]，*p1，*p2； scanf("％s"，s1)； scanf("％S"，s2)； p1=s1； p2=s2； n=strcmp(p1，p2)； printf("Vood＼n"，n)； }A. -1B.0C."abcdef"D."abdef"

3.下面程序的输出是______。 fun(char *s,int p1,int p2) { char c; while(p1＜p2) { c=s[p1];s[p1]=s[p2];s[p2]=c;p1++;p2--;} } main() { char a[]="ABCDEFG",k,*p; fun(a,0,2);fun(a,4,6); printf("%s\n ",a); }A．ABCDEFGB．DEFGABCC．GFEDCBAD．CBADGFE

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更多“单选题Let Ω p be defined as p2/3-p for all positive integers, p. If Ωn = s, and s is a positive integer, which of the following is a possible value for s?A 1B 3C 5D 6E 8”相关问题

第1题：

Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?()

A.Unique
B.Check
C.Referential
D.Informational

参考答案：B
第2题：

Which of the following is TRUE according to Paragraph 3?（）
A． Americans do not understand broken English.
B． The author’s mother was not respected sometimes.
C． The author’ mother had positive influence on her.
D． Broken English always reflects imperfect thoughts.

正确答案：B
第3题：

It' s no use just__________me to do it; give me some positive help if possible.

A.told
B.having been told
C.telling
D.to be told

答案：C
解析：
It’s no use doing sth表示“做某事是无用的”。本句意为：仅仅告诉我去做它是没什么用的：如果可能的话，给我一些积极的帮助。故选C。
第4题：

以下是表单的Activate事件的代码： s=0 for n=5 to 0 step -1 s=s+n endfor this.text1.value=s 这段代码执行后，文本框Text1的值为（）
- A、-1
- B、0
- C、5
- D、15
正确答案:D
第5题：

单选题
When a positive integer p is divided by 7, the remainder is 2. Which of the following expressions will yield a remainder of 4 when divided by 7?
A
p+2
B
p+3
C
p+4
D
p+5
E
p+6.

正确答案： A
解析：
根据题干给出的条件,可知p为9满足。将p代入A中选项，p+2=11，被7除时余4，所以A符合。
第6题：

单选题
If the sum of 4 consecutive positive integers is w, in terms of w, which of the following represents the sum of the next 4 consecutive positive integers?
A
w²+16
B
w+16
C
4w+16
D
4w+4
E
w+4

正确答案： C
解析：
Let x, x+1, x+2, x+3, represent the 4 consecutive integers. Then, x+x+1+x+2+x+3=w or 4x+6=w. The next 4 consecutive positive integers will be：x+4, x+5, x+6, x+7. Their sum will be：4x+22=4x+6+16=w+16.
第7题：

多选题
If 4 more than twice n is a negative number and 6 more than n is a positive number, which of the following numbers could be the value of n? (Select all such numbers.)
A
-5
B
4
C
-3

正确答案： B,A
解析：
根据题目中的已知条件可得，4+2n<0，6+n>0，把各个选项分别代入两个不等式中检验，同时符合两个不等式可得到n可以等于-5，-4，-3，故正确答案为AC。
第8题：

单选题
If m and n are positive integers and 3m+n-1=2m+2n, which of the following must be true?I. m and n are consecutive integers.II. m is even.III. n is odd.
A
None
B
I only
C
II only
D
III only
E
I, II, and III

正确答案： D
解析：
Since m=n+1, where m and n are given as positive integers, Roman numeral choice I is true. Since, m=n+1, m can be either odd or even, hence choice II is false. Roman numeral choice III is also false since n can be either even or odd.
第9题：

单选题
The maximum angle at which the intact stability curves are valid for ship’s is the angle for（）.
A
the limit of positive stability
B
the limit of small-angle stability
C
maximum offset
D
downflooding

正确答案： B
解析：暂无解析
第10题：

单选题
Let @ represent one of the four basic arithmetic operations such that, for any nonzero real numbers P and Q, P @ 0=P and P @ Q=Q @ P. Which arithmetic operation(S) does the symbol @ represent?
A
×only
B
+only
C
-only
D
-and×
E
+and÷

正确答案： A
解析：
If P @ Q=P, then symbol @ can represent either addition or subtraction, but not multiplication or division. Since it is also given that P @ Q=Q @ P, the operation @ is commutative. Since addition is commutative and subtraction is not commutative, the symbol @ represents only addition.
第11题：

问答题
Is s=r?　 (1) s2=r2　 (2) s is positive.

正确答案： E
解析：
若s²=r²，故|s|=|r|，不能判断s、r的关系，此基础上若s为正，s=|r|，不能判断s、r的关系，故本题选E项。
第12题：

单选题
x, y, and z are positive integers. Which of the following lists all the possible ways for x + y + z to be an odd number?I. One of the numbers is odd.II. Two of the numbers are odd.III. Three of the numbers are odd.
A
I
B
I and II
C
I and III
D
II and III

正确答案： C
解析：
I. One of the numbers is odd. Let x be odd. Let y and z be even. y + z is even. An even plus an odd is odd, so x + y + z is odd.
第13题：

若输入“abcdef”“abdef”，下述程序的输出结果为( )。
#include
#include
main
{int n；
char s1[20]，s2[20]，*p1，*p2；
scanf("％s"，s1)；
scanf("％S"，s2)；
p1=s1；
p2=s2；
n=strcmp(p1，p2)；
printf("Vood＼n"，n)； }
A.-1
B.0
C."abcdef"
D."abdef"

正确答案：A
本题考查字符串比较函数strcmp(s1，s2)，若s1>s2，则返回1；若s1=s2，则返回0；若s1<s2，则返回-1。字符串依次比较的是它们字符的ASCIl码值。
第14题：

The author's attitude toward the influence of advertisement on people's habits is（）
[A] indifferent
[B] negative
[C] positive
[D] biased

正确答案：B
第15题：

Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?（）
- A、Unique
- B、Check
- C、Referential
- D、Informational
正确答案:B
第16题：

单选题
Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?（）
A
Unique
B
Check
C
Referential
D
Informational

正确答案： C
解析：暂无解析
第17题：

问答题
If 4 percent of (p + q) is 8 and p is a positive integer, what is the greatest possible value of q ?

正确答案： 199
解析：
这是一道数学题，(p + q)的4%是8，因此p+q=200，设p=1，1是最小的正整数，则可知q的最大值是199。
第18题：

多选题
If x and y are both positive even integers, which of the following expressions must be even? (Select all such expressions.)
A
x^y
B
(x+1)^y
C
x^(y+1)

正确答案： B,A
解析：
由于题目中x和y是变量，可以根据题干给出的条件给x, y设定符合条件的数值，代入各选项，看结果是否符合题干要求，即可得出答案。
第19题：

单选题
In a storm，the windward lines of a ship’s mooring system provide（）.
A
a positive righting moment
B
an increase in KM
C
a negative restoring force
D
a positive restoring force

正确答案： A
解析：暂无解析
第20题：

单选题
For all positive integers a and b, let (a|b)=(a-b)/(a+b) If m is a positive integer, what is (m|2m) ?
A
-1/2
B
-1/3
C
1/3
D
1/2
E
2

正确答案： D
解析：
(m|2m)=(m-2m)/(m+2m)=-1/3。
第21题：

单选题
The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.
A
metacentric point
B
metacenter
C
metacentric radius
D
tipping center

正确答案： A
解析：暂无解析
第22题：

填空题
If t is a positive integer, and 18t is the cube of an integer, then what is the least possible value of t ?____

正确答案： 12
解析：
因为1³＝1, 2³ ＝8, 3³＝27, 4³ ＝64, 5³＝125这几项等不能被18整除，而第六项6³＝216能被18整除因为216= 18×12，所以t＝12。
第23题：

单选题
If a and b are positive integers such that (a-4)(b-5) = 0, what is the least possible value of a + b?
A
5
B
6
C
8
D
10
E
11

正确答案： A
解析：
如果(a-4)(b-5) = 0，所以(a-4) = 0或(b-5) =0，或两者都等于0，a = 4 或b = 5.，如果要使a + b的值最小，我们应该假设a=4，那么b可以为任何值，又因为b的值为正整数，所以b的最小值为1，所以a + b最小的可能值为4+1=5。

单选题Let Ω p be defined as p2/3-p for all positive integers, p. If Ωn = s, and s is a positive integer, which of the following is a possible value for s?A 1B 3C 5D 6E 8

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更多“单选题Let Ω p be defined as p2/3-p for all positive integers, p. If Ωn = s, and s is a positive integer, which of the following is a possible value for s?A 1B 3C 5D 6E 8”相关问题

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