Đề 9

Building blocks in Scratch are divided into many categories, for example, Motion, Events, Operators. Which category does the following block belong to?

• Motions

• Events

• Operators

• Sensing

• Control

The following is an empty “if” control block, blocks of which following categories can be expected to be filled in?

• Motions

• Events

• Operators

• Variable

• Control

Refer to the following image:

Which of the following options can make the sprite “Cat” move to (10, 0)?

• Click the green flag

• Click on the Cat

• Remove the block

  goto x:0 y:0

• Remove the block

  stop all

• None of the above

Which supporter is responsible for the maintenance of the Scratch?

• Google

• Microsoft

• Amazon

• MIT

• None of the above

Which of the following is the correct script for the basketball sprite, so that the sprite “Cat”,

initially at (-150, 0), would chase the basketball at (0, 0) after clicking the green flag?

• 
• 
• 
• 
• None of the above

Which of the following script can keep the basketball sprite rotating after green flag is

clicked, until "stop" is clicked?

• 
• 
• 
• 
• None of the above

Refer to the following scene and script:

Why isn’t the basketball moving to (10, 0) after the green flag is clicked?

• The block "goto x:0 y:0" makes the basketball stay at (0, 0)

• Direction is not correct

• Event block is not correct

• Moving 10 steps is not enough

• None of the above

Refer to the following script:

Which one of the following scripts has the same effect (to the basketball sprite) as above?

• 
• 
• 
• 
• None of the above

Given the stage and the script. Which block is removable in the script to get the exact same effect after the green flag is clicked?

• hide

• wait 1 seconds

• show

• goto x:0 y:0

• None of the above

Which of the following script can make the sprite follow the mouse pointer constantly for 1 second, after the green flag is clicked?

• 
• 
• 
• 
• None of the above