2010. 仅授权人员才能执行安装程序。

A. Add oil to correct level

B. Add proper oil

C. Add oil to proper level

A. The airplane has been repaired in agreement with ABC suggestions or equivalent.

B. The airplane has been maintained in accordance with ABC recommendations or equivalent.

C. The airplane has been checked in line with ABC suggestions or equivalent.

A. The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant

B. The container for the voice recorder unit has these properties: waterproof, spin resistant and heat resistant.

C. The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.

A. 制定本规范的目的是为了降低成本

B. 本规范是为减少失误而制定的

C. 规范的制定是为了发展航空安全

A. 只能使用字典里批准的单词作为演讲的一部分。

B. 只能使用字典里批准的单词作为句子的一种成分。

C. 只能使用字典里批准的单词的词性。

A. 发动机的一部分,包括曲轴、主连杆组件、凸轮、凸轮传动齿轮、推杆导轨、滚轮、托架等。

B. 发动机包括曲轴、主连杆组件、凸轮、凸轮传动齿轮、推杆导轨、滚轮、托架等。

C. 发动机中的重要部分,包括曲轴、主连杆组件、凸轮、凸轮传动齿轮、推杆导轨、滚轮、托架等。

A. Different meanings occur when words are combined in different ways.

B. When words can link up in different ways, ambiguity occurs.

C. Misunderstanding happens when words are contained in different modes.

A. A paragraph must have more than 6 sentences to be easier to read.

B. A paragraph should have as many as 6 sentences to read.

C. A paragraph should have 6 sentences most, otherwise it would be much difficult to read.

A. The information is applicable to the entire system.

B. The message is apply to the section system.

C. This information is apply to the whole system.

A. If the emergency ram air inlet remains blocked, the ratchet mechanism separates the jack bolt from the mechanical drive chain.

B. A clutch mechanism disengages the jack screw from the gear-train if the emergency ram-air inlet becomes accidentally blocked.

C. In the event of an accidental rupture of the emergency ram air inlet, the gear mechanism separates the jack bolt from the mechanical drive chain.