1186、When you use an approved word, make sure that you only use it as that part of speech.

　当你使用被批准的词汇时,确保你只把它用作一种句子成分。

　当你使用一个批准词汇时,确保你只使用它的那种词性。

　当你使用一个被认可的词时,确保你只把它用作演讲的一部分。

正确答案：B

解析：

解析:注释: Part of speech 词性

303、Fire seals are those fire-resistant partitions and seals mounted on or about the power package for thepurpose of isolating areas subject to fire.

302、Where possible and practical, language and writing style obey the rules and the dictionary of STE.

301、MAKE SURE THAT THE TOILET ASSEMBLY FLUSHES CORRECTLY.

300、Before you do this procedure, engage the ramp service door safety connector pin. 在执行此步骤之前，请连接斜坡服务门安全连接器插销。

299、校装包括设置钢索张力，调节飞控舵面的行程限位和设置行程止动点。

298、Use a word that is unapproved in the dictionary only when it is a technical name or part of a technicalname.

297、The injury to your skin and lungs can occur. 皮肤和肺部的损伤可能会发生。

296、简要描述和说明各种新型飞行仪表的工作原理。

295、此测试或检查的复杂性和严格性将根据装置运行的条件而有所不同。

294、The manufacturer supplies the safety procedures. 制造商提供安全程序。