燃油样品检查发现有微生物污染。

A. 保持安静以避免错过信号的声音。

B. 保持安静以避免混淆声音的信号。

C. 保持安静以避免丢失声音信号。

A. 前区域空气调节支管减少空气量来分配前空调区域传送的噪声。

B. 前区域配平空气消音器减少输送到前空调区域的空气分配噪声。

C. 前区域调整片的空气套管输送空气到前空调区域，以减弱噪声分布程度。

A. 导航系统信息在主飞行显示器显示。

B. 导航系统信息在辅助飞行显示器显示。

C. 导航系统信息在主维修显示器显示。

A. 用标记识别曲柄和轴，以防止安装错误。

B. 用标记识别曲柄和轴，以阻止安装错误。

C. 用标记识别手柄和轴承，以防止安装错误。

A. Do not install 0.1 mm thick shims.

B. Do not install shims which are more than 0.1 deep.

C. Do not install shims that are more than 0.1 mm thick.

A. In a descriptive text, give information gradually and make sure that each sentence contains only one topic. If you give too much information too quickly, your text will be difficult to understand and it will be necessary for the reader to read it again.

B. In a descriptive article, provide the information in steps and make sure that each statement covers only one point. If you provide too much outdated information, your article will become difficult to read, which will force the reader to do it again.

C. In a descriptive essay, present information in an orderly manner and ensure that each sentence contains only one meaning. If you give too much information, your essay will be difficult to understand and the reader will need to look through it again.

A. 降低系统温度。

B. 释放系统压力。

C. 解除系统警告。

A. Use white paper with good strength characteristics and enough weight and substance to eliminate excessive print leakage when printing on both sides.

B. Use good white paper with high strength quality and of adequate weight to delete excessive show-through when printed on both sides.

C. Use white paper with good strength and of sufficient weight and substance to prevent overmuch ink show-through the paper when printed on both sides.

A. 移动装有隔热毯的喷射管或排气锥时要小心。

B. 当你移动喷气式管道或带有绝缘垫的排气孔时要小心。

C. 小心地移动发射管或排气口的保温垫。

A. 包含“备份程序”的部分应有一个红色塑化标签分隔。

B. 包含“应急程序”的部分应有一个红色塑化标签分隔。

C. 包含“应急程序”的部分应使用一个红色金属的标签分隔。