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问题
单项选择题
在系统页面“WHEEL”上()起落架位置指示(三角),第一行显示绿色三角(起落架放下),第二行无三角显示,起落架放下了吗?
A、放下了
B、没有放下
答案
参考答案:
A
选择题
Miss Gao said she went to see the doctor yesterday, and _________.
A. so she did
B. she did so
C. so did she
D. she did it
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名词解释
低位发热量
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