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【多选题】
下列数据库中,提供期刊原文的有哪些?
A.
万方数据库
B.
维普科技期刊
C.
WEB OF SCIENCE
D.
ELSEVIER
E.
中国知网
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参考答案:
举一反三
【单选题】时间、交通成本较高的约访方法是( )
A.
信函约访
B.
访问约访
C.
电话约访
D.
陌生拜访
【多选题】以下(    )是参与国际物流活动而涉及国际物流业务的企业。
A.
国际货运代理    
B.
国际物流公司
C.
国际配送中心    
D.
国际运输及仓储
E.
报关行
【单选题】回答(64)题 查看材料
A.
prevent
B.
accelerate
C.
predict
D.
detect
【单选题】—When were you born? —I was born __ January ,1987. [     ]
A.
in
B.
on
C.
at
D.
of
【单选题】Refer to Figure 9-6. The amount of deadweight loss caused by the tariff equals
A.
$100.
B.
$200.
C.
$400.
D.
$500.
【简答题】A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to raw data.
【单选题】—When were you born? —I was born ____ October, 1997. [     ]
A.
on
B.
at
C.
by
D.
in
【单选题】Refer to Figure 9-6. The amount of revenue collected by the government from the tariff is
A.
$200.
B.
$400.
C.
$500.
D.
$600.
【单选题】How to detect whether an error appears to exist in theIDSC message?
A.
In DSC message, the final character provides an error check by a method known aschecksum”.
B.
According to the dot pattern to check the error.
C.
The format speafier can recognize the error.
D.
In the EOS symbol, there are some error check codes.
【单选题】Refer to Figure 9-6. When a tariff is imposed in the market, domestic producers
A.
gain by $100.
B.
gain by $200.
C.
gain by $300.
D.
lose by $100.
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