阿摩線上測驗
41Which of the following statements about the passage is true?
(A) The purpose of using a new propulsion method is to reduce the cost of space travel.
(B) The current spaceship’s computer is defective.
(C) Scientists have successfully replaced the propellers on aircrafts with jet engines.
(D) Currently, the research team at NASA is trying to find a solution to keep the spaceships balanced.
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統計： A(277), B(187), C(711), D(513), E(0) #1601739
統計： A(277), B(187), C(711), D(513), E(0) #1601739
詳解 (共 6 筆)
Mercedes(110上岸 謝謝大家！)
#4598236
replace A with B 用B取代A
(C) Scientists have successfully replaced the propellers on aircrafts withjet engines.
科學家已經用噴氣發動機成功地取代了飛機上的螺旋槳。
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