Explanation: the cube in this paper refers to the ordinary three-level six sided cube, with color and no pattern. There are 40 questions in total, 2.5 points for each question.
1. Ordinary cube has several sides ()
A. one B. two C. four D. six
2. Ordinary cube has several corners ()
A. 4 B.6 c.8 d.12
3. Ordinary cube has several edges ()
A. 4 B.6 C. 8 d.12
4. What is the common magic cube made of?
A. stone B. cement C. plastic D. metal
5. Each edge block has several colors ()
A.1 B.2 C.3 D.4
6. Each corner block has several colors ()
A.3 b.8 c.12 d.24
7. Cube has several center blocks ()
A. 1 B.2 C.4 d.6
8. Most accurately, the common third-order cube is a ()
A. triangle B. square C. tetrahedron D. cube
9. Common color blindness cannot be distinguished ()
A. red and green B. black and white C. blue and green D. red and black
10. For beginners, the most commonly used method is ()
A. angle first method B. edge first method C. layer first method D. freestyle BLD
11. The cube was invented in the last century ()
A.10's b.30's c.50's d.70's
12. Cube lubrication commonly used ()
A. sand B. sandpaper C. silicone oil D. gasoline
13. To disassemble the cube, usually the first one is ()
A. one corner block B. two corner blocks C. one edge block D. two edge blocks
14. Which country is Mr. Rubik from ()
A. US B. China C. Portugal D. Hungary
15. In the common formula of magic cube, R represents
A. turn the left side 90 degrees clockwise
B. turn the right side 90 degrees clockwise
C. turn the left two layers clockwise 90 degrees
D. turn the right two layers clockwise 90 degrees
16. Restore the cube and use rur'u 'to disturb it.
Which of the following operations can be used to restore ()
A. Rur'u '
B.r'u'ru
C.u'r'ur
D.uru'r '
17. After most of the cubes assembled correctly are restored,
The following status is possible ()
A. only two corners need to exchange positions with each other
B. only 3 corners need to be cycled
C. only one corner needs to be turned in place
D. only 3 edges need to be turned in place
18. Pop refers to ()
A. cube is very popular
B. play magic cube in rhythm
C. cube jumping out
D. dancing and playing magic cube
19. Slot means ()
A. gap between layers
B. orbit of some magic cube designs
C. tools for assembling Rubik's Cube
D. a group of positions observed when playing magic cube
20. Cfop means ()
A. an order to restore the cube
B. a way to turn the cube
C. a tool for polishing Rubik's Cube
D. a brand of domestic magic cube
21. DNF refers to ()
A. turn counterclockwise at the bottom and clockwise at the front
B. turn clockwise at the bottom and counter clockwise at the front
C. a special technique for quick twisting
D. when twisting the magic cube, it is not completed
22. At present, what computers can't do is ()
A. restore cube
B. find the algorithm
C. judge whether another computer can restore the cube
D. check whether the cube is assembled incorrectly
23. WCA means ()
A. brand
B. manufacturer
C. technique
D. Association
24. Gan is ()
A. a master
A method
C. video tutorial
D. text tutorial
25. The velocity method is ()
A. quick tightening method
B. blind solution method
C. grinding method
D. purchasing strategy
26. DIY means ()
A. do it yourself
B. ask someone to do it
C. help others
D. do it
27. Teach children how to play magic cube ()
A. easy to understand
B. just one pass
C. never be tired of deceit
D. severe criticism
　
　
28. In the following formula, PLL formula is ()
A. rur'f2ld'ldl2f2
B.lf'lb2l'flb2l2
C. (Rur'u ') x3
D.F (rur'u ') f'
29. The color of a magic cube is "top blue, bottom white, left yellow, right orange, front green and back red". If its yellow side is toward the ground and its red side is toward the East, which direction will the white face?
A. East
B. West
C. South
D. North
30. In the following movies ()
Pirates of the Caribbean
The first drop of blood
C. return of the king
D. when happiness knocks
31. Under the following circumstances, it is not suitable to play magic cube ()
A. in class
B. play in the park
C. leisure at home
D. walking
32. Generally, how to stop the magic cube timer ()
A. smash it with a magic cube
B. press it with both hands
C. press it with one hand
D. point it with one finger
33. Someone likes to twist the cube with his feet, because ()
A. emancipate hands and realize the evolution from ape to human
B. treatment of beriberi
C. massage feet
D. flexibility of exercise feet
34. What is layer by layer ()
A. cube by cube
B. a kind of strange cube
C. layer by layer restoration
D. one by one
35. Generally speaking, the following statements are correct ()
A. after learning to restore Level 3, you can restore Level 2.
B. after learning how to tighten quickly, it must be blind.
C. the universal algorithm of minimum steps restoration has been found
D. after learning to restore Level 3, you can restore level 4.
36. Bridge means
A. a kind of strange cube
B. a quick tightening method
C. a blind screw method
D. cooperate like playing bridge
37. Cfce means
A. rotation direction of the whole cube
Rotation of B. F and e layers
C. a fast solution method
D. a blind solution method
38. How to play cube correctly ()
A. do not affect learning and homework
B. play secretly
C. put cube first
D. stop playing
39. In general, F2L means
A. clockwise rotation of the front two layers
B. F2 is 180 degrees of front rotation, l is 90 degrees of left clockwise rotation
C. make two layers first
D. rotate as a whole, and put f side on L side.
40. Use D2 B 'L2 B' l 'R' U L2 D U2 R L 'F2 d u' F2. The following can make it recover ()
A.d2 B 'L2 B' l 'R' U L2 D U2 R B L 'F2 d u' F2
B.f2 U D 'F2 L B' R 'U2 d' L2 u 'R L B L2 B D2
C.d2 B 'L2 B L r u L2 d' U2 R 'B' l 'F2 d u' F2
D.f2 u 'd F2 L' b r U2 D L2 u r 'l' B 'L2 B' D2
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