74.Turn the clamps to free the pipes.

A. 如果填充剂粘在工具上,用冷水湿润工具。

B. 如果使用工具时需用封圈辅助,用冷水先清洗工具。

C. 如果需要使用填充剂粘接工具,用冷水浸泡工具。

A. 作对比的代词和把“more”和“most”作为最高级的代词在字典中不会列出这些形式,因为“more”和“most”也列出了批准的词。

B. 以“more”和“most”作比较级和最高级的形容词不会在字典中列出这些形式,因为“more”和“most”也被列为批准词。

C. 有比较级和最高级的副词由“more”和“most”构成,不会被收录在词典中,因为“more”和“most”也列出了被允许的词。

D. B.以“more”和“most”作比较级和最高级的形容词不会在字典中列出这些形式,因为“more”和“most”也被列为批准词。

E. C.有比较级和最高级的副词由“more”和“most”构成,不会被收录在词典中,因为“more”和

F. C.有比较级和最高级的副词由“more”和“most”构成,不会被收录在词典中,因为“more”和“most”也列出了被允许的词。

A. 确保指示灯点亮后叶片展开。

B. 确保叶片打开时指示灯点亮。

C. 确保叶片展开的过程中指示灯点亮。

A. When you try to change a word,make sure that the substitute you choose doesn't replace the meaning of the sentence.

B. Make sure that the chosen replacement word will not vary the implication of the sentence if you replace a word.

C. When you replace a word,always make sure that the alternative you select does not change the meaning of the sentence.

A. 在开始检查前,你应该拆除接近门和整流罩。

B. 在开始检查前,你应该拆除登机门和整流罩。

C. 在开始检查前,你应该拆除舱门和组件。

A. Drill the hole until it has a radius of 8.00 +/- 0.003 mm.

B. Ream the hole until it has a diameter of 8.00 +/- 0.003 mm.

C. Trim the hole until it has a width of 8.00 +/- 0.003 mm.

A. If the scratch does not go through the protective layer,the unit is serviceable.

B. If the nick does not go through the primary surface,the unit is serviceable.

C. If the scratch does not go through the protective surface,the unit is movable.

A. CAP 是飞机持续适航的初级文件,包括各相关程序。

B. CAP 是包含飞机持续适航程序的主要文件。

C. CAP 是飞机持续适航的初始文件,由相关程序组成。

A. 出于标记的简单性,这些调整片分隔器应该被放大。

B. 为便于参阅,这些隔页签应交错排列。

C. 为引用方便,这些调整片分配器应该被储存好。

A. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through ducts to the user systems.

B. The pneumatic system gets compressed air from the pneumatic air sources and supplies the compressed air through manifold to the user systems.

C. The pneumatic system gets comprised air from the pneumatic air sources and supplies comprised theair through ducts to the user systems.