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单选题
控制杆的向前移动必须是缓慢而连续的。
A
A.The forward movement of the control lever must be slow and continuous.
B
B.The control lever must be kept moving forward slowly and abruptly.
C
C.You must continuously slow down the forward movement of the control lever .
答案解析
正确答案：A
相关知识点：
控制杆前移要缓慢连续
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