When a machine is______, suitable materials must be chosen for its parts.
A. building
B. build
C. to build
D. to be built
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It has always been the ______ of our firm to encourage workers to take part in social activities.
A. campaign
B. procedure
C. policy
D. rule
A．donationB．conversionC．auctionD．introduction
A. donation
B. conversion
C. auction
D. introduction
对于以美元作为记账本位币的企业，其以人民币及日元计价的交易均应作为外币业务处理。
A. 正确
B. 错误
Which of the following was NOT one of the discoveries of the Pew study？
A. The Internet has put us in touch with more people than expected.
B. People use the Internet to get advice on careers, medical problems, and other questions.
C. For many Americans, the Internet plays an important role in helping them make important decisions.
D. Internet addiction is a growing problem among people who use computers.
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