A、 There are only four kinds of fasteners.
B、 Fasteners is generally divided into four types.
C、 We classify the fasteners through four dimensions in general.
答案：B
A、 There are only four kinds of fasteners.
B、 Fasteners is generally divided into four types.
C、 We classify the fasteners through four dimensions in general.
答案：B
A. Write instructions in the infinite form.
B. Write instructions in the command form.
C. Write instructions in the appropriate form.
解析：这道题考察的是写指令时所使用的语态。命令形式是 imperative form，也就是我们通常说的命令形式或者指令形式。在英语中，命令形式通常用来表达命令、请求、建议等。所以正确答案是B。
举个例子来帮助你更好地理解：假如你要告诉别人如何制作一杯咖啡，你可能会说：“Boil water, add coffee grounds, pour hot water over the grounds, stir, and enjoy!” 这里的每个动词都是用的命令形式，因为你是在向别人发出指令，告诉他们应该怎么做。
A. Be careful when you put your hand onto printed circuit boards.
B. Be careful when you get close to printed circuit boards.
C. Be careful when you remove printed circuit boards.
A. When the cumulative revised pages (including back-up pages) exceeds 60% of the total pages of the manual, a reissue should be prepared.
B. If the updated pages, including back-up pages, were less than 60% of the total page of the manual, a new manual should be copied.
C. Up to 60% of total pages (including back-up pages) were accumulated by mistake, the manual should be rewritten.
A. Detach the sensor to establish a physical connection with the adjoining structure.
B. Install the sensor to block access to the adjacent structure.
C. Take out the sensor to reach to the neighboring structure.
A. Only the certified personnel can complete the modification or repair to the aircraft.
B. Pay attention that inspections or maintenance work ought to be carried out by mechanics.
C. Modifications or repairs to aircraft should be achieved by releasing staff.
A. According to the "GAMA Specification No.1", compile the Pilots Operating Handbooks.
B. Prepare Pilots Operating Handbooks through "GAMA Specification No.1".
C. Edit "GAMA Specification No.1", in accordance with Pilots Operating Handbooks.
A. It is permitted to show the legends within the diagram instead of listing at the bottom or on an adjacent page by the abbreviation number.
B. Legends shall be explained in a simple way within the diagram at the bottom or on an adjacent page except for abbreviation with numbers in a list.
C. If the space is enough, the legends shall be stated within the diagram and do not list them by numerical abbreviations at the bottom or on an adjacent page.
A. Mark and protect the parts and then remove the parts.
B. Mark and protect the parts that are removed.
C. Mark and protect the parts that will be removed.
A. Landing gear is left for ten minutes.
B. Landing gear should be kept extended for ten minutes.
C. Extend landing gear after ten minutes＇ retraction.
解析：这道题是关于飞机起落架的操作指令。在这个情景中，指令是让起落架延长十分钟。正确答案是B，即起落架应该被延长十分钟。这个指令是为了确保起落架在使用前得到充分的检查和准备，以确保飞行安全。
举个生动的例子来帮助理解这个知识点：想象一下你是一名飞行员，你的飞机刚刚降落在机场，地面工作人员告诉你要将起落架延长十分钟。这意味着你需要按照指令将起落架保持在延长状态，以便地面工作人员可以进行必要的检查和维护工作。只有在起落架得到充分准备之后，你才能安心地继续下一次飞行。这个例子帮助你更好地理解了为什么起落架需要被延长十分钟这个操作指令的重要性。
A. Present the examples, associated conditions and technique on the possible page of the chart and use the page including the chart to concise the necessary information if the space is insufficient.
B. Present the chart, examples, associated conditions and technique on the same page if possible and use the page facing the chart if the space is insufficient for the necessary information.
C. Try to place the examples, associated conditions and technique on the same page as the chart if possible and use another page including the chart to describe the necessary information when the space is not sufficient.
