Make sure that the doors are closed during the pressurization test.

A. 解除离合器可以防止启动发动机时发生意外。

B. 在启动发动机之前，脱开离合器。

C. 拆卸离合器，启动发动机。

A. Report any corrosion found to the manufacturer.

B. Report any cracks found to the manufacturer.

C. Report any damage found to the manufacturer.

A. 关键词汇常常发生在文字中用于连接不同的思想。

B. 关键词汇常常出现在文中用于连接不同的想法。

C. 关键词汇常常闪现在课文中用于连接不同的想法。

A. When making this Specification, the rules are generally refer to the rules that used by FAA in making its rules.

B. When making this Specification, we use the exact identical construction rules with FAA in making its specifications.

C. The rules of construction followed in the preparation of this Specification are the same as generally used by the FAA in the preparation of its rules.

A. 连接可以连接的导线。

B. 把断开的导线重新断开。

C. 连接断开的导线。

A. 描述飞机起落架时，应描述其相应的结构（构件）。

B. 描述飞机起落架时，应描述其建设。

C. 描述飞机起落架时，应描述施工方法。

A. Words with lowercase letters are allowed in STE.

B. STE dictionary is permitted to use the UPPERCASE letter word.

C. In STE, a word in capital letters means that it is approved.

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. 如果剪切销遭受撞击，要测试牵引杆。

B. 如果定位销断裂，要检查两根杆。

C. 如果剪切销断裂，要检查牵引杆。

A. These tests should only use the equipment or facilities installed on the aircraft. These tests should be able to perform by the flight crews.

B. These tests should not use the special equipment or facilities that are not installed on the aircraft. These tests should be similar to the tests performed by the flight crews.

C. These tests should require the equipment or facilities installed on the aircraft rather than the special ones and should be replaceable by the tests accomplished by the flight crews.