【单选题】程序如下: INPUT “a,b,c=”;a,b,c IF a>b THEN t=a a=b b=t END IF IF a>c THEN t=a a=c c=t END IF IF b>c THEN t=b b=c c=t END IF PRINT a,b,c END 输入a= ,b= ,c= 则运行结果为
【简答题】They tend to dream about the future and aren’t as shrewd as they think they are.
【单选题】“江山如画,一时多少豪杰”此句在文中作用?
【单选题】已知命题 “若 ,则 ”,则命题 及其逆命题、否命题、逆否命题中,正确命题的个数是( )
【单选题】“江山如画,一时多少豪杰”此句在文中作用?
【单选题】The end of the article implies that ______.
A.
Americans tend to invest in tangible things to make the others happy
B.
Americans don't like vacations
C.
most Americans know the importance of memory-making experience
D.
the present phenomenon is hard to explain
【单选题】Liars tend to fidget a lot. T / F
【单选题】给出下列三个结论:(1)若命题 为真命题,命题 为真命题,则命题“ ”为真命题;(2)命题“若 ,则 或 ”的否命题为“若 ,则 或 ”;(3)命题“ ”的否定是“ ”.则以上结论正确的个数为( )
【单选题】命题“若 ,则 ”以及它的逆命题,否命题和逆否命题中,真命题的个数是