A、 The portion of the system is used to eliminate or prevent ice forming in air exhaust surroundings, including air flow anti-icing on the power plant.
B、 The portion of the system is used to get rid of or facilitate the gathering of ice in or around air intakes, including power plant protector ice control.
C、 The portion of the system is used to eliminate or prevent the formation of ice in or around air intakes, including power plant cowling anti-icing.
答案：C
A、 The portion of the system is used to eliminate or prevent ice forming in air exhaust surroundings, including air flow anti-icing on the power plant.
B、 The portion of the system is used to get rid of or facilitate the gathering of ice in or around air intakes, including power plant protector ice control.
C、 The portion of the system is used to eliminate or prevent the formation of ice in or around air intakes, including power plant cowling anti-icing.
答案：C
A. Use the upper latch mechanism to lock the lower display unit in the middle.
B. The latch mechanism at the top is used to secure the center display unit on the bottom.
C. The center lower display unit is installed with the latch mechanism at the top.
A. Clean the surface with a soap and clean a water solution.
B. Use a soap-and-water solution to clean the surface.
C. Use a soap to clean the surface and a water solution.
A. In a descriptive text, give information gradually and make sure that each sentence contains only one topic. If you give too much information too quickly, your text will be difficult to understand and it will be necessary for the reader to read it again.
B. In a descriptive article, provide the information in steps and make sure that each statement covers only one point. If you provide too much outdated information, your article will become difficult to read, which will force the reader to do it again.
C. In a descriptive essay, present information in an orderly manner and ensure that each sentence contains only one meaning. If you give too much information, your essay will be difficult to understand and the reader will need to look through it again.
A. The valve has flaps shaped like a full circle.
B. The shape of the valve flaps is a half ring.
C. The valve flaps have a shape of half circle.
A. 正确的标点符号很重要，因为它表明了文本的不同部分是如何联系在一起的，并防止了歧义。
B. 正确的标识很重要，因为它表明了文本的不同部分是如何构成的，并防止了误解。
C. 正确的符号很重要，因为它展示了文本不同部分的构成情况，并防止了错误。
A. The localizer beam is aligned with the centerline of the runway.
B. The localizer way is misaligned with the centerline of the runway.
C. The localizer course is aligned with the centerline of the runway.
A. 适当情况下，扉页应包括飞机航班号和型号。
B. 适当情况下，标题页应包含飞机航班号和注册号。
C. 适当情况下，标题页应包含飞机序列号和注册号。
A. To list repair or modification orders, reference may be made to other document＇s repair standards or the definition of special repair or modification elsewhere (e.g., service kits, service notices, etc.).
B. Listing the repair or modification directions may contrast to the repair rules of another document or especial repairs or modifications defined elsewhere (e.g., service kits, service annunciations, etc.).
C. Set forth repair or modification instructions and may refer to a standard repair in another document or a special repair or modification defined elsewhere, such as in a service kit, service bulletin, etc.
A. Make sure that the coils of the oxygen hose do not rub together.
B. It is acceptable the coils of the chlorine hose rub together.
C. Ensure that the coils of the nitrogen hose do not rub together.
A. 应说明总容量和可用燃油。
B. 应说明能使用的燃油总容量。
C. 应计算总体积和可用燃油量。
