Distress alerts will be acknowledged A: manually B: automatically C: manually or automatically D: immediately

如信用证规定Manually signed invoice，手签或盖章均可接受。( )

The washing- machine can operate by itself. A: personally B: automatically C: manually D: quickly

You have to operate this sewing-machine ________— it is not electric. A: additionally B: specially C: inherently D: manually

The machine must be operated (by hand). It isn’’t automatic. A: mentally B: annually C: manually D: heavily

词汇与结构 The flight deck temperature is controlled manually by setting the flight deck temperature ______ to the manual mode.

The AIS transponder is designed to transmit information ______. A: Automatically B: Semi-automatically C: Manually D: ALS is not transmitting at all

He has to change gear _______ in this car; it's not operated automatically. A: artificially B: automatically C: manually D: synthetically

The AIS transponder is designed to transmit information ___. A: Automatically B: Semi-automatically C: Manually D: AIS is not transmitting at all AIS

Years ago, many of the machines were operated ______ but now they are operated by computers. A: manually B: artificially C: automatically D: synthetically