According to the passage, all these following are problems resulting from the tourism EXCEPT
A. environmental pollution.
B. Hawaiian economy.
C. the loss of species.
D. the risk to creatures and biodiversity.
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According to the author, the function of the structured-inquiry method is
A. to make decisions by debate.
B. to apply the Internet and wireless computer technology.
C. to brake on the thinking process, slowing it down.
D. to create a level of conceptual clarity.
关于关键字class和typename，下列描述中正确的是()。
A. 程序中所有的class都可以替换为typename
B. 程序中所有的typename都可以替换为class
C. 选项A)和B)都正确
D. 选项A)和B)都错误
昼间悬挂“Q”字信号旗表示本船有染疫或者染疫嫌疑，请即刻实施检疫。
A. 正确
B. 错误
输入动物产品进行加工的货主需申请办理注册登记。
A. 正确
B. 错误
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