A、It means that people have to make a very difficult choice between things of equal importance.
B、It means that it is difficult for people to make a correct choice.
C、It means that it is easy for people to make a correct choice.
D、It means that there are three alternatives for people.
A、It means "Bless you".
B、It means "Love you".
C、It means "For God's sake".
D、It means "Have a nice day".
A、There is a decrease in the productivity per worker; there is no change in the productivity per worker.
B、There is an increase in the productivity per worker; there is no change in the productivity per worker.
C、There is an increase in the productivity per worker; there is a decrease in the productivity per worker.
D、There is no change in the productivity per worker; there is an increase in the productivity per worker.
—What’s the noise? —Oh, I forget to tell you. The new machine____.
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