Đề 9

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

• A.  Motion

• B.  Events

• C.  Operators

• D.  Sensing

• E.  Control

1.           The following is an empty “if” control block, blocks of which following categories can be

expected to be filled in ?

• A.  Motion

• B.  Events

• C.  Operators

• D.  Variables

• E.  Control

1.           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

• 
• 
• A. None of the above

Which supporter is responsible for the maintenance of the Scratch?

• A.  Google

• B.  Microsoft

• C.  Amazon

• D.  MIT

• E.  None of the above

1.           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

1.           Which of the following script can keep the basketball sprite rotating after green flag is clicked, until  is clicked?

• 
• 
• 
• 
• None of the above

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

• 
• Direction is not correct

• Event block is not correct

• Moving 10 steps is not enough

• A. None of the above

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

• 
• 
• 
• 
• E. None of the above

1.           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?

• 
• 
• 
• 
• None of the above

1.           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