A、 The System/Chapter, sub-System/Section and Subject Number, the page number and date of issue will disappear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.
B、 The System/Chapter, sub-System/Section and Subject Number, the page number and date of issue will appear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.
C、 The System/Chapter, sub-System/Section and Subject Number, the page number and date of public will appear in the lower left-hand corner, on the left-hand pages and the revision date in the lower right-hand corner.
答案：C
A、 The System/Chapter, sub-System/Section and Subject Number, the page number and date of issue will disappear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.
B、 The System/Chapter, sub-System/Section and Subject Number, the page number and date of issue will appear in the lower left-hand corner, on the left-hand pages and the review date in the lower right-hand corner.
C、 The System/Chapter, sub-System/Section and Subject Number, the page number and date of public will appear in the lower left-hand corner, on the left-hand pages and the revision date in the lower right-hand corner.
答案：C
A. In procedural sentences, you can use a maximum of 20 words before the comma.
B. In procedural sentences, you can use a maximum of 20 words before the colon.
C. In procedural sentences, you can use at least 20 words before the full stop.
A. This is the maximum portion of flammable vapors in air. If the portion is bigger, when an ignition source touched the gas, it would cause the fire to be diffused.
B. This is the minimum volume of flammable vapors. If the volume is lower, when the gas contacted with an ignition source, the fire would not come out.
C. This is the minimum density of flammable vapors in air. If the density was lower, when an ignition source touched the gas, it would not cause the spread of flame.
A. This system does not include the usual channels of communication available to CAP.
B. This system does not supersede the normal channels of communication for items not covered by the CAP.
C. The usual channels of communication in this system cannot be replaced by the introduction of CAP.
A. 此程序可以在此服务通告中执行。
B. 在本服务通告中必须执行此程序。
C. 此程序必须在此咨询通告中执行。
A. A maximum distance of 50 feet is required between consumable materials and the work area.
B. Keep flammable materials at a minimum distance of 50 feet from the work area.
C. Explosive materials must be kept at least 50 feet away from the work area.
A. Many electrical power components are in the EE compartment.
B. Many electrical power components are in the cargo compartment.
C. Many electrical power components are in the APU compartment.
A. 用密封剂填充补片及相邻结构之间的缝隙。
B. 用密封剂填充补片的缝隙，并粘接相邻结构。
C. 在附近的密封结构和补片之间留出空隙。
A. The connector has 32 contacting points.
B. The contact has 32 contactors.
C. The contactor has 32 contacts.
A. 雷达天线的状况对其性能有重要影响。
B. 雷达罩的状况对其性能有重要影响。
C. 雷达的性能受到其状态的重要影响。
A. 打破了测量值的记录。
B. 打破了一个金属测量值的记录。
C. 对所有厚度测量值做记录。
