21. According to the text, all the statements are TRUE EXCEPT:
A) By the device children can learn fundamentals of capitalism.
B) Mr Levenson used to shout at his children a lot.
C) Each member of the family has their own individual number to type in.
D) The inventor, Randal Levenson, is a professional scientist.
22. What was Randal Levenson’s main purpose of inventing the machine?
A) To economize electricity with the help of this gadget.
B) To prevent his family from frequent quarrels.
C) To develop his children’s knowledge of capitalism.
D) To introduce a new gadget and rise to fame.
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