使用孔探仪从内部检查燃烧室。

A. The format of the cruise capacity display is determined by the aircraft vendor.

B. The form of the climb performance display is decided by the aircraft manufacturer.

C. The format of the cruise performance presentation is at the discretion of the airplane manufacturer.

A. 如果没有液压动力放下前起落架，起落架的重量和气流会将其推至放下位。

B. 如果液压动力未将前起落架放下，起落架的重量和重力会将其放下。

C. 液压动力可以放下前起落架，起落架的重量和气流也可以将其推至放下位。

A. 如果电缆扭结，那么一段时间后会断开。

B. 如果导线摩擦，过段时间后会断裂。

C. 如果导线摩擦，过段时间将会破损。

A. The exit doors are mainly used for passenger boarding.

B. The exit doors are only used for evacuation.

C. The exit doors are not only used for the passengers to evacuate from the airplane but also used for normal exit.

A. The reason why long collocations make non-native English readers confusing is that the key word is the first one in the collocation in some languages.

B. Non-native English readers also feel confused with long noun phrases because of the great importance of the first noun in the phrase in some languages.

C. Long noun clusters are also confusing for non-native English readers, because in some languages the main noun is the first noun in the cluster.

A. 与本规范的符合性相关的重要意见应予以公布。

B. 对于和本规范相抵触的重大意见应予以公布。

C. 应发布符合本规范的重要议题。

A. 把手放在风扇上感受震动。如果风扇是震动的，说明风扇是通电的。

B. 把手放在风扇上感受一下是否有震动。如果你感觉到震动，说明风扇是工作的。

C. 风扇在震动，把手放在风扇上是不安全的。当你感到震动时，风扇是工作的。

A. 从失速状态恢复期间，应增加超过100英尺的高度损失和低于地平线30度的俯仰角。

B. 应增加高度损失超过100英尺和俯仰操纵（低头）超过30度的失速改出数据。

C. 应增加从失速恢复过程中超过100英尺的高度损失和超过30度的地平面以下俯仰。

A. It includes items such as audio selector control panel, microphones, head­ phones, cockpit loud speakers, etc.

B. It includes items such as automatic selector control panel, interphones, head­ phones, cockpit loud speakers, etc.

C. It includes items such as audio selector control panel, microphones, head­ phones, cockpit speakers, etc.

A. 未经保护，请勿进入发动机测试区域。

B. 未经允许不得进入发动机试车区域。

C. 未经批准，请勿进入发动机测试控制中心。