单选题:根据听到的内容,回答题。What does the speaker mainly discuss?

题目内容:
根据听到的内容,回答题。What does the speaker mainly discuss? A.The distribution of different species of amphibian
B.Possible reasons for reduction in the number of amphibian
C.The effects of environmental change on the fish industr
D.Guidelines for the responsible use of pesticide
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字符比较大小实际是比较它们的ASCII码值,下列正确的是

字符比较大小实际是比较它们的ASCII码值,下列正确的是 A.“A”比“B”大 B.“H”比“h”,小 C.“F”比“’D”,小 D.“9”比“D”大

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根据下列材料,请回答题:蝉虞世南垂缕①饮清露,流响出疏桐。居高声自远,非是借秋风。注:①本指垂下帽带,此指蝉低着头。这首

根据下列材料,请回答题:蝉虞世南垂缕①饮清露,流响出疏桐。居高声自远,非是借秋风。注:①本指垂下帽带,此指蝉低着头。这首诗从整体上看运用了什么写法?这种写法有何

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一个汉字的16×16点阵字形码长度的字节数是

一个汉字的16×16点阵字形码长度的字节数是 A.16 B.24 C.32 D.40

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What does the author mean by saying "the timing was off" ( L

What does the author mean by saying "the timing was off" ( Line 4, Para.3 ) ? (

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