Users can chat on net anywhere because of______.
A. a social and commercial environment
B. high speed networking and computing
C. three rapidly evolving technologies
D. simultaneous use of voice, video, image and data
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It can be inferred from the first paragraph that？？？______.
American auto plants have lower efficiency because they often have fewer workers
B. American auto plants cannot improve their efficiency by hiring Japanese workers
C. Japanese auto makers achieve higher productivity because of their unique culture
D. Japanese auto makers will see a lower efficiency if they hire American workers
The most essential factor in cutting storage cost in Japan's auto industry is______.
A. using flexible machines
B. scheduling the production
C. hiring more skilled workers
D. training multi-skilled workers
What does the man mean when he says this:
A. He does not appreciate the woman's comment.
B. He has difficulty hearing the woman.
C. He wants the woman to continue.
D. He understands the woman's point of view.
Why does the professor say this:
A. He does not expect the student to answer the question.
B. He does not know the answer to the question.
C. He does not want to continue the debate in class.
D. He does not want to influence the woman's thinking.
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