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Now listen to the following recording and answer questions 20 to 22
20
A.Arithmetic.
B.Mathematics.
C.Computer science.
D.Space exploration.
21
A.Teachers bring their dislike to the classroom.
B.Mathematics is more difficult than arithmetic.
C.All Americans are not good at mathematics.
D.Kids are more excited about technology and engineering.
22
A.Exhibit cool items like robots.
B.Increase enthusiasm of the teacher.
C.Get kids more interested in math.
D.Make mathematics more difficult.
