A、 每一页都必须载明原始事件日期,直到修订,修订时,也必须载明最新修订的事件期。
B、 每一页都必须标明原始版本的出版日期,直到修订为止。当有修订时,也必须标明最新修订版的出版日期。
C、 每一页都必须标明原刊出版到修订的日期,修订时,也必须标明最新修订版的出版日期。
答案：B
A、 每一页都必须载明原始事件日期,直到修订,修订时,也必须载明最新修订的事件期。
B、 每一页都必须标明原始版本的出版日期,直到修订为止。当有修订时,也必须标明最新修订版的出版日期。
C、 每一页都必须标明原刊出版到修订的日期,修订时,也必须标明最新修订版的出版日期。
答案：B
A. 液压系统的主要压力用于飞行控制系统
B. 飞行控制运行所需的压力来源于起主要作用的液压系统
C. 液压系统的主要功能是为飞行控制系统的操作提供压力
A. 如果没有明显迹象表明紧固件松动,在紧固件头部和相邻材料上标记一条红线
B. 如果紧固件松动的迹象不清晰,则跨过紧固件头部和相邻材料上标记一条红线
C. 如果没有清晰地显示出紧固件松动,则在紧固件头部和相邻材料上方标记一条红线
A. 确保束缚杆没有与安装在地板上的逃离滑梯支架啮合。
B. 确保束缚杆没有装在地板上的逃离滑梯支架上。
C. 确保束缚杆没有与在地板上的逃离滑梯支架对齐。
A. The introduction should be included in an alphabetical index by subject.
B. An alphabetical index by subject is to be included in the introduction.
C. The introduction includes an alphabetical index subject.
A. 沿四周向内对窗户进行抛光。
B. 以圆周运动方式擦拭窗户。
C. 呈垂直方向给窗户镀膜。
A. The Federal Aviation Regulations 'require "maximum continuous power.to be used during airframe and
engine combination certification to show obedience with certain criteria.
B. Federal aviation regulations require "maximum continuing power" to be used during the certifying of the
airframe and engine to meet certain criteria.
C. Federal aviation regulations,
"maximum continuous power", are used to show compliance with certain standards.
A. Make sure that the service control unit is in the open position.
B. Make sure that the servo control unit is in the right position.
C. Make sure that the servo control unit is in the open position.
A. To open the containers for these materials, sittable tools must be used.
B. The appropriate tools should be selected to open the materials; the containers is inside the materials.
C. The inappropriate tools should be selected to open the containers; the containers is made in the materials.
A. Keep the power lever at the "start" position when the specified minimum oil temperature is not reached.
B. After the specified minimum oil temperature is arrived, put the power lever at the “start" position.
C. When the specified minimum oil temperature is reached, put the power lever at the “off" position.
A. lt is permitted,if the local fire regulations and standards are more stringent than those regulations described in the following steps.
B. lt is allowed, if the local fire codes and standards are more complicated than those legislations listed in the
following steps.
C. lt is possible that local fire protection regulations, and standards are necessary to be used more restrictive
than those mentioned in the subsequent steps.
