Years ago, many of the machines were operated ______ but now they are operated by computers.
A: manually
B: artificially
C: automatically
D: synthetically
A: manually
B: artificially
C: automatically
D: synthetically
举一反三
- He has to change gear _______ in this car; it's not operated automatically. A: artificially B: automatically C: manually D: synthetically
- The movie ____ I have seen twice is The Wandering Earth. A: should be; be operated on B: were; must be operated on C: e; was operated on D: was; be operated on
- All the doctors in the hospital insisted that he badly wounded and that he at once. A: should be; be operated on B: were; must be operated on C: be; was operated on D: was; be operated on
- A hundred years ago there were _____________ inhabitants on the island; now there are only ______.
- The machine must be operated (by hand). It isn’’t automatic. A: mentally B: annually C: manually D: heavily