A、 Trichloroethylene is good for health.
B、 Trichloroethylene is hazard for health.
C、 When there is trichloroethylene, you shouldn't worry about it.
答案：B
A、 Trichloroethylene is good for health.
B、 Trichloroethylene is hazard for health.
C、 When there is trichloroethylene, you shouldn't worry about it.
答案：B
A. 用螺母将面板固定在支架上
B. 用螺栓将面板连接到结构上
C. 用螺栓将面板固定在支架上
A. When you need to understand a schematic diagram,use arrows to indicate
flow orienting.
B. Arrows shall be used to indicate flow ends when needed to understand
the schematic diagram.
C. When need to comprehend the chart,you should use arrows point to the
direction.
A. to arrive at the incorrect value, set the switch to position 2.
B. to get the correct value, set the switch to position 2.
C. to get the incorrect value, set the switch to position 2.
A. 中间地
B. 外部地
C. 内部地
A. STAY
B. STILL
C. LEAVE
A. This document provides optional information to the befitting airplane
maintenance manual(s)
B. This document provides supplemental information to the applicable
airplane maintenance manual(s)
C. This document provides extra information to the accessible airplane
maintenance manual(s)
A. as you do the valve test, ensure that there is no leak.
B. while you do each step of the valve test,ensure that there is no leak.
C. while you do each step of the valve test, make sure that there is no
leakage.
A. 确保秒表指示在 2 分钟或 4 分钟。
B. 确保秒表指示在 2 至 4 分钟之间。
C. 确保指针指示在 2 至 4 分钟之间。
A. 基本控制和操作信息,描述如何控制及操作飞机部件,涉及到一些特殊程序和
飞行控制信息适用的限制。
B. 基本控制和操作信息,描述如何控制及操作飞机部件,涉及到许多特殊程序和
飞机部件适用的限制。
C. 基本控制和操作信息,描述如何控制及操作飞机部件,涉及到所有特殊程序和
飞机部件适用的限制。
A. 一旦确定了活门或控制装置的符号或设备,则应在整个手册中将其用于相关
单元。
B. 只要确定了活门或控制装置的特征或设备,则应在整个手册中将其用于此类
装置。
C. 一旦确定了活门或控制装置的符号或设备,则应在整个手册中将其用于此类
装置。
