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【单选题】
悬停状态下,多轴飞行器单个旋翼形成(无提示)A.
正锥体
B.
倒锥体
C.
平面
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反馈参考答案：
举一反三
【简答题】任务型阅读（10小题*1=10分） Street Markets around the World There are many ways of shopping. You can shop by telephone, by post or through your home computer, but for many people, the most exciting way to shop ...
【单选题】What can readers find out from this text?
A.
how many customers Mr Bird has
B.
how to make shoes like Mr Bird
C.
how to get to Mr Bird's London shop
D.
how much Mr Bird's shoes cost
【单选题】以下程序段执行完后，变量A和B的值分别是( )。 A=1 B=A DO UNTIL A＞ =5 A=A+B B=B+A LOOP
A.
1, 1
B.
4, 6
C.
5, 8
D.
8, 13
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