问题
选择题
He land the spacecraft _______ the moon together _______ Aldrin. [ ]
A. on with
B. in with
C. on of
D. in of
答案
答案：A
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He land the spacecraft _______ the moon together _______ Aldrin. [ ]
A. on with
B. in with
C. on of
D. in of
答案：A
间白色沉淀变为灰绿色，最终变为红褐色；