阿摩線上測驗
47. Which of the following statements is true about space junk?
(A) It is huge, heavy machines.
(B) It never changes position.
(C) It floats slowly around the Earth.
(D) It may cause problems for space shuttles.
答案：登入後查看
統計： A(5), B(9), C(12), D(57), E(0) #490911
統計： A(5), B(9), C(12), D(57), E(0) #490911
詳解 (共 2 筆)
阿國
#933168
(D) It may cause problems for space shuttles.
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