A、 The airflow goes along the top and bottom surfaces of the slats.
B、 The airflow can go between the top and bottom of the slats.
C、 The air flows to the top and bottom of the slats＇ surfaces.
答案：A
A、 The airflow goes along the top and bottom surfaces of the slats.
B、 The airflow can go between the top and bottom of the slats.
C、 The air flows to the top and bottom of the slats＇ surfaces.
答案：A
A. If abbreviations have special meanings, they may be used.
B. Abbreviations should not be used if they are universally meaningful.
C. Only use abbreviations whose meanings are generally recognized.
A. 如果在初始印刷版之后必须添加一页，则给添加的页面使用带字母后缀的前一页页码(例如，第1-6A页、1-6B页等)。
B. 如果在最终印刷版之后必须添加一页，则给添加的页面使用带字母前缀的后一页页码(例如，第1-6A页、1-6B页等)。
C. 如果在初始印刷版之后必须删除一页，则给删除的页面装进信件并使用带前缀的前一页页码(例如，第1-6A页、1-6B页等)。
A. 对现有分析进行了审查，以确定可能表现出较低安全裕度的部件和区域。
B. 对现有分析进行复核，对部件和区域进行标识，以显示出较低安全裕度。
C. 对于安全裕度较低的部件和区域进行标识并进行了现场分析审查。
A. The fuselage is a semi-monocoque structure.
B. The fuselage is a demi-plate.
C. The airframe is of half-shell structure.
A. 仅在真正需要时才会使用被动时态。
B. 当真正需要时仅使用被动时态。
C. 当真正需要时仅使用主动时态。
A. You can combine the drains into three primary categories.
B. You can divide the drains into three primary groups.
C. Dividing the drains into three primary groups is an ill-advised option.
A. You need to open the cargo door when the windspeed exceeds 30 knots.
B. Wait for the wind speed to increase to over 30 knots before opening the cargo door.
C. You are allowed to open the cargo door when the wind speed reduces to less than 30 knots.
A. 给凸起的固定环和堵塞指示器打保险。
B. 给滚花固定环和堵塞指示器本体打保险。
C. 给带凸边的密封环安装保险丝，以固定指示器本体。
A. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.
B. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.
C. The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised the air through ducts to the user systems.
A. 诸如旋转恢复技术的正常程序也可以包括在杂技类飞机《飞行员操作手册》的这一节内容中。
B. 还可以将诸如旋转恢复技术的正常程序包括在特技类飞机所有手册的这一节内容中。
C. 特技类飞机的《飞行员操作手册》的该节内容还可以包含诸如螺旋改出技术在内的正常程序。
