A、 There is no influence on your eyes for hydraulic fluid.
B、 Hydraulic fluid has no effect on your eyes.
C、 Hydraulic fluid can cause eye injury.
答案：C
A、 There is no influence on your eyes for hydraulic fluid.
B、 Hydraulic fluid has no effect on your eyes.
C、 Hydraulic fluid can cause eye injury.
答案：C
A. The counted time resets to 0 when the button is kept down for two seconds.
B. The total time resets to 0 when the button is held on for two seconds.
C. The remained time resets to 0 when the button is seen down for two seconds.
A. One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently or they have various combinations.
B. Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms, requiring to have one or more separate documents.
C. Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.
A. Provide the pneumatic power for the system.
B. Supply the electrical power for the system.
C. Remove the electrical power of the system.
解析：这道题是关于系统去能化的问题。De-energize意味着去能化，也就是移除系统的电力。所以正确答案是C。
让我们通过一个生动有趣的例子来帮助你更好地理解这个概念。想象一下你的手机是一个系统，它需要电力才能正常工作。当你想要关闭手机时，你会按下电源按钮，这样手机就会De-energize，也就是移除电力，手机就会关闭。在这个例子中，De-energize就相当于移除手机的电力，让手机关闭。
A. The color of the bottom mark on the plate is amber.
B. You can see the red bottom mark on the board.
C. There is no color of the bottom mark on the board.
A. These tests shall be independent.
B. These tests shall be self-locking.
C. These tests shall be comprehensive.
解析：这道题考察的是对英语词汇的理解能力。在题干中，我们需要理解"self-contained"这个词的含义。"Self-contained"意味着能够独立存在或运行，不需要依赖其他事物。因此，正确答案是A:These tests shall be independent。
举个生动有趣的例子来帮助理解，就好比一辆太空飞船必须是self-contained的，它需要携带足够的氧气、食物和水，不依赖外界资源。如果飞船不self-contained，就无法在太空中独立运行。所以，这道题的意思就是这些测试必须是独立的，不依赖其他因素。
A. Without venting the IDG, the accuracy of your check will be affected.
B. Only if you reset the IDG, your check is effective.
C. The ventilation of the IDG accelerates your check.
A. Schematic diagram designers may make a compromise so as to add more details to make the diagram self-explanatory and keep its simplicity at the same time for ease of reading and understanding.
B. In designing schematic diagrams, it may be necessary to pay attention to both detail that is necessary to make the diagram self-explanatory, and simplicity that is essential for ease of reading and understanding.
C. Detail makes the diagram self-explanatory. Simplicity makes it easy to read and understand. It is necessary to consider both of them and make a compromise if needed when designing schematic diagrams.
A. Incorrect adjustment of the stops will lead to accurate test results.
B. In precision, test results cannot occur unless the stops are adjusted properly.
C. If the stops are not adjusted Incorrectly, the test results will not be precise.
A. The compressing of the spring can cause the valve to open.
B. There is no change of the valve when the spring compresses.
C. After compressing of the spring, the valve goes to closed position.
A. Remove the test cap between the Precooler Control Valve and the 3908 sensor on the control pressure sense line and ensure that there is air flowing out of the port.
B. From precooler control valve to 3908 sensor, remove the sense line test cap, make certain that the air flows from the test hub.
C. The purpose of the test cap removal from the Precooler Control Valve to the 3908 sensor is to guarantee that there is airflow at the test port.
