A、 Do not put too much force on the brush when cleaning the carpet which can be easily damaged.
B、 To prevent damage to the carpet when you clean it, do not use too much force on the brush.
C、 Using too much force on the brush when cleaning the carpet will cause damage to it.
答案：B
A、 Do not put too much force on the brush when cleaning the carpet which can be easily damaged.
B、 To prevent damage to the carpet when you clean it, do not use too much force on the brush.
C、 Using too much force on the brush when cleaning the carpet will cause damage to it.
答案：B
A. This program describes how to identify an immediate failure and how to handle a malfunction occurred.
B. This procedure explains how to recognize impending problems and what to do if malfunctions occur.
C. How to confirm the current problems and what should you do when malfunctions occur are described in this procedure.
A. The accuracy of the adjustment can vary.
B. The accuracy of the adjustment can be fixed.
C. The precision of the adjustment can be prevented .
A. The Index Numbering System is described in the following paragraph.
B. The Index Numbering System is introduced in the next paragraph.
C. The Index Numbering System is compared in the later paragraph.
A. 拆除所有阻止操纵舵面自由移动的校装销和设备。
B. 拆下所有的插钉和设备使操纵舵面自由移动。
C. 拆下所有的开口销，并移走防止操纵舵面自由移动的设备。
A. Turn the cap counterclockwise.
B. Turn the cap clockwise.
C. Rotate the cap clockwise.
A. 这将使用户可以通过检查一份清单来识别受影响的飞机，而不必检查每个单独的持续适航计划以确定适用性。
B. 这将允许用户通过检查一份清单来找出受影响的飞机，或者也可以检查每一个持续适航计划的适用性。
C. 这将使用户可以通过检查一份清单来判断被影响飞机的有效性，而无需检查每个独特的持续适航计划。
A. The steel plate measures 1.5 metres long and 3/8 centimeter thick.
B. The steel plate measures 1.5 metres long and 3/8 decimeter thick.
C. The aluminum plate measures 1.5 metres long and 3/8 decimeter thick.
A. 当释放液压时，活门按顺序打开。
B. 当液压被释放后，顺序活门移动到开位。
C. 当液压增压时，要按顺序移动来打开活门。
A. 机身上有三个顶升点。
B. 机体上有三个基准点。
C. 机腹上有三个插孔。
A. 最大起落架放下速度是指起落架放下状态下飞机可以安全飞行的最大速度。
B. 最大起落架收放速度是指起落架收放过程中飞机可以安全飞行的最大速度。
C. 最大起落架收上速度是飞机可以安全飞行的最大速度，起落架收上。
