Đề thi vòng loại HKICO 2019-2020

Building blocks in Scratch includes many categories, for example, Motion, Looks, Sound,Events. Which category does the following block belong to?

• Motions.

• Events

• Operators

• Sensing

• Control

Referring to the script and scene below. The Scratch Cat should do a flip when the spacekey is pressed. But when the space key is pressed, nothing happens! How do we fix theprogram?

• 
• 
• 
• All of the above.

• None of the above.

In this project, when the green flag is clicked, the Scratch Cat should say "Meow, meow,meow!" in a speech bubble and as a sound. But the speech bubble happens before thesound-- and the Scratch Cat only makes one "Meow" sound! How to fix it?

 

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• 
• 
• 
• None of the above.

Given the operator. What’s the result of variable ‚n‛ when the green flag is clicked?

• 0

• 1

• 2

• 3

• None of the above

What is the cat’s position after clicking the green flag?

• (0, 20)

• (90, 30)

• (20, 30)

• (90, 20)

• None of the above

Which of the following scripts gives the same final outcome as the above script andscene?

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• 
• 
• 
• 

Given the following scene. What is the cat’s position after clicking the green flag?

• (50, 50)

• (250, 0)

• (50, 0)

• (90, 50)

• None of the above

Given the cat is initially at (0,0), which of the following script wil give the sameoutcome?

• 
• 
• 
• 
• None of the above.

Which of the following is the correct script so that three cat will appear in the stage asexpected result? (You can assume that the green flag is clicked)

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• 
• 
• 
• None of the above

Referring the following script below. What’s the result of ‚n‛?

• It can be 0 to 10

• It can be 1 to 10

• It can be 2 to 10

• It can be 3 to 10

• None of the above