A、 The glideslope path is at a constant angle to the threshold of the runway.
B、 The glideslope path is at a variable angle to the first end of the runway.
C、 The vertical course path is at a fixed angle to the threshold of the runway.
答案：A
A、 The glideslope path is at a constant angle to the threshold of the runway.
B、 The glideslope path is at a variable angle to the first end of the runway.
C、 The vertical course path is at a fixed angle to the threshold of the runway.
答案：A
A. 书写名词词组不能超过三个单词。
B. 写出三个单词以上的名词词组。
C. 写出的形容词词组要少于三个词。
A. 安装时非必要不要拉伸封严。
B. 不要过度拉伸已安装的必要封严。
C. 在安装封严件时不要过度拉伸。
A. 电线代码由电路功能代码、电线编号、电线段字母和电线尺寸组成。通常会添加后缀，表示地线（N）、相位（A、B等）或热电偶材料（铝镁合金等）。
B. 电线代码由电路功能代码、电线编号、电线段字母和电线尺寸组成。通常会添加后缀，表示接地（N）、阶段（A、B等）或热敏电门材料（铝镁合金等）。
C. 电线代码由电路功能代码、电线编号、电线段字母和电线尺寸组成。通常会添加后缀，表示地线（N）、相位（A、B等）或热敏电门材料（铝镁合金等）。
A. After 10 flight cycles or 25 flight hours, which comes first, the rod end bearing shall be discarded if its wear is greater than 0.010 inch of diameter.
B. If the rod end bearing wear is greater than 0.010 inch in radial play, reject it within next 10 flight cycles or 25 flight hours whichever comes first.
C. Destroy the rod end bearing during 10 flight cycles or 25 flight hours when its wear is more than 0.010 inch of its radius, whichever comes first.
A. 在编制维护手册的索引编号时，制造商可能会省略与该产品无关的系统/章节，或者在可行的情况下合并系统/章节。
B. 在查询维修手册时，制造商可以删去不适用其产品的系统/章，或者在可行的情况下把几个系统或章合并起来。
C. 在查询维修手册时，使用人你可以跳过不适用其产品的系统/章，或者在可行的情况下把几个系统或章合并起来。
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. When describing the airplane＇s Engine, spark plug system shall be described.
B. When describing the airplane＇s Engine, starter system shall be described.
C. In the description of the airplane＇s Engine, ignition system shall be described.
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 If you provide too much outdated information, your article will become difficult to read, which will force the reader to do it again.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. Necessary information by manufacturer should be provided in this chapter to maintain, overhaul or major repair the aircraft so as to properly level it during the life of the aircraft.
B. In order to properly level the aircraft when performing repair, overhaul or major repairs during the life of the aircraft, this chapter should provide all considered information by manufacturer.
C. This chapter shall provide that information considered necessary by the manufacturer to properly level the aircraft for any of the various maintenance, overhaul or major repairs which might become necessary during the life of the aircraft.
A. Do not exceed this speed with landing gear retracted or extended.
B. It is not allowed to exceed the maximum speed of the landing gear retraction.
C. Don＇t extend or retract the landing gear above this speed.
