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【单选题】
阅读下列算法，回答：Startofthealgorithm(算法开始)(1)输入N的值。(2)设i的值为1。(3)如果i<=N，则执行第(4)步，否则转到第(7)步执行。(4)计算sum+i，并将结果赋给sum。(5)计算i+1，并将结果赋给i。(6)返回到第3步继续执行。(7)输出sum的结果。Endofthealgorithm(算法结束)上述算法_________。A.
能够正确地计算 sum=1+2+3+4+ … +N 。
B.
不能正确地计算 sum=1+2+3+4+ … +N 。 0
C.
0
D.
0。 0
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列关于党员权利说法正确的是()。
A.
党员可以对党的工作提出建议和倡议
B.
在各种会议和报刊上，参加关于党的政策问题的讨论
C.
党员对党的决议有不同意见，可以暂缓执行
D.
党员可以随意批评任何组织和任何党员
【简答题】阅读理解。 When you run downhill, gravity pulls you. When you throw a ball up, gravity pulls it down. When you sit, gravity holds you down. When you lie down, gravity holds you to the bed. We know gravity ...
【单选题】When the earthquake happens, you'd better run to the area without high buildings; _____,you should keep the height lower than table or bed and stay next to them. [ ]
A.
if any
B.
if not
C.
if necessary
D.
if some
【单选题】A true friend will never ________ from you when you’re in trouble.
A.
take away
B.
run away
C.
put off
D.
get off
【单选题】Exercise, everyone advises! But immediately, when you try, you run into trouble. There is so much contradictory, sometimes incorrect advice about exercising that you become confused. Test yourself on ...
A.
the difficulties of exercising
B.
why exercising is good for your health
C.
important information to know about exercising
D.
why people have some wrong ideas about exercising
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