[单选题] A major advantage of railroads as a mode of transporting goods is that they

1、[单选题]Based on the findings of the job analysiKn)_lists the objectives,respon-sibilities,main tasks of the jobthe conditions under which the job isto be done and its relationship to other jobs.

• A、job description
• B、job specification
• C、job forecasting
• D、job scouting

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2、[单选题]A(n) _is a tax a government imposes on imported goods.

• A、tariff
• B、quota
• C、excise tax
• D、exchange rate

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3、[单选题]One of the following terms is NOT included in the types of economic system. It is

• A、capitalism
• B、socialism
• C、mixed economy
• D、equalitarianism

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4、[判断题]Lost or stolen traveler's checks can usually be replaced if you promptly ihformissuing company of the serial numbers of the lost checks.

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5、[判断题]Large firms may obtain funds by issuing dividends，which are long-term debtsecurities (IoUs) purchased by investors.

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