He has to change gear _______ in this car; it's not operated automatically.
A: artificially
B: automatically
C: manually
D: synthetically
A: artificially
B: automatically
C: manually
D: synthetically
举一反三
- Years ago, many of the machines were operated ______ but now they are operated by computers. A: manually B: artificially C: automatically D: synthetically
- Distress alerts will be acknowledged A: manually B: automatically C: manually or automatically D: immediately
- A gear system inside the car can automatically clutch. “gear”means_____. A: 齿轮 B: 离合 C: 传动 D: 供电
- The washing- machine can operate by itself. A: personally B: automatically C: manually D: quickly
- The AIS transponder is designed to transmit information ______. A: Automatically B: Semi-automatically C: Manually D: ALS is not transmitting at all