在新增一张幻灯片操作中，可能的默认幻灯片版式是（ ）。
A. 标题幻灯片
B. 标题和竖排文字
C. 标题和正文
D. 空白板式
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Lesson 16 听力选择-1[音频]
A. The flaps is jammed
B. The undercarriage is jammed
C. The nose gear cannot be extended
D. The landing gear cannot retracted
Lesson 16 听力选择-2[音频]
A. divert to the alternate
B. execute missed approach
C. continue approach
D. check the minimum
Lesson 16 听力选择-3[音频]
A. contaminated by ice patches
B. covered with water patches
C. flooded by standing water
D. covered with a lot of debris
Lesson 16 听力选择-4[音频]
A. The pilot is supposed to land on runway 18R
B. The pilot is established on the runway 18R by mistake
C. The pilot is supposed to continue approach on runway 18L
D. The pilot has been on the final of runway 18L
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