阿摩線上測驗
55. Which of the following is the principal factor affecting the cost of a satellite launch?
(A) It depends on who builds the satellite.
(B) It depends on how much the rocket launcher costs.
(C) It depends on the weight of the satellite.
(D) It depends on how fast it is built.
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統計： A(8), B(47), C(146), D(10), E(0) #2062357
統計： A(8), B(47), C(146), D(10), E(0) #2062357
