The factory must （aim） at developing new models of machines.（）
A: target
B: outstrip
C: justify
D: enforce
A: target
B: outstrip
C: justify
D: enforce
举一反三
- The factory has produced a new kind of ____. A: machine B: machines C: a machine D: the machine
- The ethical and moral problems caused by intelligent machines and robots may be contrary to human moral concepts, so we should stop developing intelligent machines.
- We new students must ______ ourselves to college life as soon as<br/>possible. A: adjust B: justify C: just
- The application of the new technology enables the factory to ________ twice as many machines as it did last year. A: turn down B: turn off C: turn to D: turn out
- This is _____________at 180 dollars. A: target B: aim C: good D: priced