780、如果显示不正确,再做一次测试

　Do the test a second time if the indication is correct.

　If the indication is not correct, do the test again.

　If the Indication is not incorrect, you should do the next test.

正确答案：B

解析：

解析:注释:correct 正确的; incorrect 不准确的,不正确的。second time 第二次;again 再次; next 下次

708.If the format parameter or rule is inappropriate to the type of airplane, equivalents likely to achieve thesame objective may be used

707、If the error is more than 3 deg, calibrate the compass.

706、If possible, always tell your reader what can occur if the safety instruction is not obeyed. 如果可能的话，总是告诉读者如果不遵守安全指示会发生什么。

705、Hydraulic fluid is dangerous for your eyes. 液压油对眼睛有害。

704、Extend and retract the actuator through three full cycles. 伸展和缩回执行机构通过三个完整的周期

703 English is not often the native language of the readers of technical documentation 英语通常不是技术文档读者的母语

702、Do not make a recess of more than 5mm for the studs.

701、 Do a continuity check at the Alternate Exhaust Fan Receptacle.

700、Descriptive Data shall be supplied for standard and optional engine and propeller installations and fueland oil systems

699、 CORROSION INHIBITING COMPOUND MAY BE PRESENT IN CORROSION SUSCEPTIBLE LOCATIONS