WorksheetsHKICO - SCRATCH - Đề 09
Total questions: 20
Worksheet time: 10mins
Which category does the following block belong to?
A. Motion
B. Events
C. Operators
D. Sensing
E. Control
A. Motion
B. Events
C. Operators
D. Variables
E. Control
Which of the following options can make the sprite “Cat” move to (10, 0)?
E. 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
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?
E. None of the above
E. None of the above
B. Direction is not correct
C. Event block is not correct
D. Moving 10 steps is not enough
E. None of the above
E. 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?
E. 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?
E. None of the above
Which of the following script has the same effect as the above?
All of the above
None of the above
Which of the following script makes the cat follow your mouse and meow once when it touches the basketball?
None of the above
A student wants the sprite “Cat” to move to (100, 0) 10 seconds after the green flag is
clicked. He / She writes the following script but does not get the expected result. Why or
how to correct?
D. Wrong message is broadcasted.
E. None of the above
The cat does not appear moving to (100, 0) before going to (0, 0) after clicking the green
flag. Why?
A. The cat did not go to (100, 0) at all.
B. (100, 0) is too far away.
C. Other sprite is blocking (100, 0).
D. All of the above.
E. None of the above
The cat does not “meow” after green flag is clicked, which of the following option is the
A. 200 is not larger than 50.
B. Wrong message is broadcasted.
C. Wait 1 second is too short.
D. “message1” is not broadcasted.
E. None of the above
None of the above
A. Cat is not clicked again.
B. Event “mouse down?” is not captured by the scene
E. None of the above
Why are not all the clones deleted after going to random positions?
B. Mouse down is never triggered at all
C. There are too many clones
D. Each clone should be clicked on one by one to delete it
E. “If” block only checks the moment
The position of the sprite “Cat” is (0, 0), what will be its X position after pressing the “left
arrow” key 10 times?
A. 0
B. 10
C. 50
D. 60
E. Cannot be determined
what will be its direction?
A. 0
B. 90
C. -90
D. 180
E. Cannot be determined
