Official 51 Lec 4
Question 3 of 6
What point does the professor make when he discusses a ride at an amusement park?

A.

That some people thought Earth’s orbit was perfectly round.

B.

That people expect to be affected by centrifugal force.

C.

That some things can appear to move when they are not moving.

D.

That moving at high speeds is not always dangerous.

正确答案:B

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