计算机执行下面的程序段后,a、b的结果是 (    )a=1b=3a=a+bb=a-bprin

计算机执行下面的程序段后,a、b的结果是 (    )

a=1

b=3

a=a+b

b=a-b

print(%io(2),a,b)

A.1,3                B.4,1                  C.0,0               D.6,0

答案

解析:

a=1+3=4,b=4-3=1.

答案:

B

相关题目

读下图,完成下列问题(每空2分共18分) (1)在图中标出
读下图,完成下列问题(每空2分共18分) (1)在图中标出地球公转方向。 (2)图中A、E、C、F四位置代表的节气分别是(北半球): A____     _____,E
固体氧化物燃料电池(SOFC)以固体氧化物(O2-可以自由通过)
固体氧化物燃料电池(SOFC)以固体氧化物(O2-可以自由通过)作为电解质。其工作原理如图所示。下列关于固体燃料电池的有关说法正确的是  A.电极b
水稻的高秆(D)对矮秆(d)为显性,抗稻瘟病(R)对易感稻瘟病(r)
水稻的高秆(D)对矮秆(d)为显性,抗稻瘟病(R)对易感稻瘟病(r)为显性,这两对基因位于不同对的染色体上。将一株高秆抗病的植株(甲)与另一株高秆易
飞机着陆后以6m/s2大小的加速度做匀减速直线运动,其着陆速
飞机着陆后以6m/s2大小的加速度做匀减速直线运动,其着陆速度为60m/s,求: (1)它着陆后12s内滑行的位移x      (2)整个减速过程的平均速度 (3
已知醛基能发生如下反应:。则1 mol如下图所示的有机物与足
已知醛基能发生如下反应:。则1 mol如下图所示的有机物与足量的NaOH溶液作用后,最多消耗NaOH的物质的量为 A.2.5mol                       
 My friend Lisa is good at _____.        A. sing    B. to sing   
 My friend Lisa is good at _____.        A. sing    B. to sing    C. singing   D sings
---- Why didn’t you buy the gold ring? ---- I ______, but I didn’t have the
---- Why didn’t you buy the gold ring? ---- I ______, but I didn’t have the money. A. would have       B. bought          C. would like to     D. had bought
任务型阅读。 There was a man who had a little boy that he loved very much
任务型阅读。 There was a man who had a little boy that he loved very much. Every day after work the man would come home and play with the little boy. He would always spend all of his free tim

最新题目