679、This section explains how to check flight instruments for recognizing malfunction.

　This section tells how to find a failure of flight instruments.

　This section tells how to identify a fault by checking flight instruments.

　This section tells parameters on flight instruments.

正确答案：B

解析：

解析:注释:recognizing=identify 识别,辨别出。parameter 规范,范围。

809、 Interconnects to other systems should be plainly noted

808、逆时针旋转盖子

807、Drains let fuel in the vent system return to the tanks

806、中央油箱中的燃油总量为 5000 磅。

805、Remove the remaining sealant.

804、lf you do not find damage during the inspection procedure, assemble the unit. 如果在检查过程中没有发现损坏，请组装设备。

803、为清楚理解和准确使用手册各部分的信息，定义必要的符号、缩写和术语。

802、The distance between the edge of the panel and the partition must not be more than 0.05 mm. 面板边缘与隔断的距离不得超过 0.05 mm。

801、For pressurized airplanes and turbo supercharged or turboprop Eller powered airplanes, the MaximumAltitude Limits shall be stated.

800、 Before inspection, you should remove access doors and fairings.