A、 The values must be less than the approved differences.
B、 The values must not exceed the allowable differences.
C、 The values must be less than the allowable differences.
答案：B
A、 The values must be less than the approved differences.
B、 The values must not exceed the allowable differences.
C、 The values must be less than the allowable differences.
答案：B
A. The lean fuel flow mixtures will be provided by the EGT indicators under different engine powers.
B. EGT indicators constantly monitor the lean fuel flow mixtures wherever the thrust lever is.
C. The lean fuel flow mixtures are induced by the EGT indicators to various powerplants.
A. If this specification is written in professional terms, the problems won＇t arise.
B. This specification agrees with recognized industry practices, and the problems can＇t be avoided according to this specification.
C. If this specification is written in professional terms, the problems will be treated adequately.
A. The center of gravity moves along with the weight of the wings.
B. The center of gravity moves in relation to forces applied on the wings.
C. The center of gravity moves evenly to the loads of the wings.
A. If the pump is not suitable to be used, replace it.
B. If the pump is outmoded, replace it.
C. If the pump malfunctions, change the location for it.
解析：这道题考察的是逻辑推理能力。句子的意思是如果水泵无法维修，就应该更换它。选项A符合题意，因为unsuitable意思是不适合使用，与unserviceable意思相近，所以是正确答案。
举个生动的例子来帮助理解：假设你的手机屏幕坏了，修理店告诉你无法维修，只能更换新的屏幕。这种情况下，你会选择更换新的屏幕，因为旧的屏幕已经无法继续使用了，就像题目中提到的水泵无法维修一样。所以正确的做法是选择更换新的屏幕，就像选择选项A中的意思一样。
A. Remove the sleeve to tighten the sliding tube.
B. Remove the sleeve to install the sliding tube.
C. Remove the sleeve to free the sliding tube.
A. However, an “emergency” almost always entails a failure that requires to respond immediately and rapidly, for example, the situations that a total powerplant fails, the fire or smoke occurs, or the cabin are depressurized rapidly.
B. An “emergency” however, almost always causes a malfunction that requests immediate and rapid response, such as the whole powerplant failure, fire or smoke, or rapid cabin pressurization.
C. However, an “emergency” is often related to a failure that demands respond simultaneously, such as the complete failure of the powerplant, fire or smoke, or rapid cabin warming.
A. The parts must be assembled tightly.
B. Make sure that the parts are attached securely.
C. The parts must be assembled loosely.
A. Use a degreasing agent to remove oil and grease.
B. Draw oil and grease from a degreasing agent.
C. Add oil and grease into a degreasing agent.
解析：这道题是关于使用去油脂剂清除油和油脂的方法。正确答案是A: 使用去油脂剂清除油和油脂。
解析：当我们需要清除表面上的油和油脂时，我们可以使用去油脂剂。这种去油脂剂可以有效地溶解油和油脂，使其容易被擦拭或清洗掉。因此，正确的做法是使用去油脂剂来清除油和油脂，而不是将油和油脂从去油脂剂中抽取出来，或者将油和油脂添加到去油脂剂中。
举个生动的例子，就好像你在厨房里做饭时不小心弄脏了炉灶上的油污，这时你可以使用去油脂剂来清洁。就像是在使用洗洁精清洗碗筷一样，去油脂剂可以帮助你轻松清除油污，让炉灶恢复干净亮丽的状态。
A. You can use the module to disassemble the disassembly fixture.
B. The module that you can use to disassemble is the disassembly fixture.
C. You can use the disassembly fixture to disassemble the module.
A. Section 1 of the Pilot＇s Operating Handbook shall introduce basic data and information of general interest to the pilot. The data and information is useful in loading, sheltering, handling, and routine preflight checking of the airplane.
B. Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The general interest is useful in loading, sheltering, handling, and routine preflight checking of the airplane.
C. Section 1 of the Pilot＇s Operating Handbook shall present basic data and information of general interest to the pilot. The pilot is useful in loading, sheltering, handling, and routine preflight checking of the airplane.
