Đề 7_Scratch thi Vòng loại quốc gia 2020 - 2021

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 space key is pressed. But when the space key is pressed, nothing happens! How do we fix the program?

• The program needs a to start.

• should be put after each so there is a tiny pause in each move.

• should be put in the loop.

• 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 the sound -- and the Scratch Cat only makes one "Meow" sound! How to fix it?

• 
• 
• 
• 
• 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

Refer to the following scene and script for question 5 and 6. 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 and scene?

• 
• 
• 
• 
• 

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 will give the same outcome?

• 
• 
• 
• 
• E. None of the above

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

• 
• 
• 
• 
• E. 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