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【单选题】
Public protests can cause even the most powerful companies to change their policies. For example, an activist group recently staged a demonstration in front of the HydraBore corporate headquarters to protest the company's use of the chemical Ectomazathol. Within three months of the demonstration, HydraBore replaced Ectomazathol in its production plants with another chemical. Which of the following, if true, casts the most doubt on the connection between the public protest and the decision of the company to change chemicals?A.
Preliminary studies show that the new chemical may be more carcinogenic than Ectomazathol.
B.
The recently introduced chemical that is replacing Ectomazathol is less expensive and more effective in its industrial application than Ectomazathol.
C.
HydraBore devoted no publicity efforts to announce its switch from Ectomazathol to the new chemical.
D.
As protests against HydraBore have become more frequent, the company has subsequently increased its public relations budget.
E.
The activist group that staged the demonstration has been linked to illegal acts of theft and sabotage within other corporate headquarters.
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A.
银行汇票结算方式
B.
商业汇票结算方式
C.
委托收款结算方式
D.
银行本票结算方式
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A.
银行汇票结算方式
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商业汇票结算方式
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银行本票结算方式
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左心房内有一隔膜，左心房被分为两部分
B.
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肺静脉血仍回流到左心房
【简答题】课程设计报告文档(WORD文档) 打印纸质版统一交给学委或班长,再交给老师。
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