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【单选题】
采用襟翼的主要目的是为了( )。A.
改变俯仰状态
B.
减小阻力
C.
改变偏航状态
D.
增加升力
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反馈参考答案：
举一反三
【单选题】M: We have time, don't we? Every time we've gone on a trip, we've always been tied down by schedules. This time will be different. We don't have to rush. W: You're right. This is our first trip since ...
A.
It is the first time they have been on a trip.
B.
They cannot do what they like before.
C.
They don ’ t have to care about the time.
D.
They have to travel by schedules now.
【单选题】有关阑尾的描述，正确的是（）
A.
动脉来自肠系膜下动脉
B.
阑尾根部是3条结肠带集中处
C.
阑尾位于结肠起始部
D.
经阑尾孔开口于盲肠下端
E.
位于右髂窝，是腹膜间位器官
【单选题】听力原文：W: Have you ever put this type of rack together before? M: No, not yet. But I am quite sure if we carry out these instructions exactly, we are not going to have any difficulty. Q: What are the tw...
A.
Practice working together.
B.
Carry the parts Outside.
C.
Find the troubles.
D.
Act on the directions.
【单选题】请指出下面这段宏代码中所定义的宏名 sub showhelp() helpform.show end sub
A.
showhelp
B.
helpform
C.
show
【单选题】有关阑尾的描述，正确的是( )
A.
动脉来自肠系膜下动脉
B.
阑尾根部是三条结肠带集中处
C.
阑尾附于结肠起始部
D.
经阑尾孔开口于盲肠下端
E.
位于右髂窝，是腹膜间位器官
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