A、 Put down a face mask and protective clothing.
B、 Put on a face goggle and protective clothing.
C、 Put on a face mask and protective clothing.
答案:C
A、 Put down a face mask and protective clothing.
B、 Put on a face goggle and protective clothing.
C、 Put on a face mask and protective clothing.
答案:C
A. You can find electronic devices in nearly all aircraft systems. They are system control and monitoring
computer, the control input $ and indications in the cockpit/and sensors throughout. The whole aircraft
B. The computer used for system control and monitoring and the control
cockpit and sensors all over the whole Aircraft are the electronic devices used in almost all aircraft system
A. The function and operation of each unit in the system should be described. The location of the units
shouldn’t' be described.
B. The function, operation and location of each unit in the system should be deleted.
C. The function, operation and location of each unit in the system should be described. (描述)
A. Energy is never created or lost it's a physics law that it just changes from one kind of energy to another
and in our case, motion energy turns into heat energy when we brake.
B. lt is a law of physics that energy is never produced or destroyed. It just changes from one type of energy
into another type. In our example the kinetic energy changes into heat energy during braking.
C. Energy is never produced or lost, it's a physical law that it just transfers from one kind of energy to another
and in our case, moving energy turns into heat energy when braking.
A. 系统通过安排相互关联的部件来实现一定的功能。
B. 系统是为执行某一特定功能而安排的相互关联的部件的组合。
C. 系统是将一系列部件安排在一起,为了完成某一特定功能。
A. 贴标签于章节编号或标题。
B. 在标签上标注章节号或标题。
C. 标记所有标签以及章节编号或标题
A. Schematics must be readable to a normal visioned person, so legends, symbols devices, codes, etc.
,
should be of sufficient size. The schematic diagram should be designed to turn over the page when the
content is necessary.
B. The schematic diagram must be of sufficient size that legends, symbols, devices, codes etc., are readable by
persons with normal vision. Turn-page schematic diagram shall be avoided to the extent practical.
C. The schematics symbols, devices, codes etc. must be 1egib1e, so peop1ewith normal vision should avoid
turning the schematic pages as much as possible
A. 浸泡元件四个小时。
B. 冲洗元件四个小时。
C. 打磨元件四个小时。
A. the function of the portable water system is to store and send drinking water to the passenger
B. The potable water system must keep and transfer the water to the toilet for washing only
C. The purpose of the drinking water system is to store and deliver the water for drinking
A. 找出正确显示的来源。
B. 找出错误显示的原因。
C. 找出错误显示的位置。
A. Connect the cover immediately.
B. Attach the cover temporarily.
C. install the cover permanently