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初二級下學期while小測

Authored by 周衍博 周衍博

Computers

8th Grade

Used 3+ times

初二級下學期while小測
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

何者為 while 迴圈的基本結構?

while (循環條件):

循環體

while 條件 do:

while -> 條件 {}

repeat while (條件):

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

下列哪一個敘述最適合使用 while 迴圈來實作?

當需要對每個元素進行一次操作時

當你知道要執行多少次時

當你需要根據條件重複執行,直到不符合條件為止

當你想一次性印出某個訊息

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

哪一個選項可以正確使用 while 迴圈從 1 數到 5?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

執行以下程式會印出幾次 "Hello"?

1 次

2 次

3 次

無限次

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

請問在while ___?___ : 的空格中需填入甚麼才可導致以下結果?

False

Do

Break

True

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