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【单选题】
植物中含的麦角固醇经紫外线照射后可转化成（? ? ）[1分]A.
VD2
B.
VD3
C.
VE
D.
VA
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举一反三
【简答题】This is part of a book’s table of contents. Chapter One: North America The Fox and the Raccoon ..... 1 Song of the Mountains ......... 4 Little Feather Meets Bear ..... 7 Chapter Two: ...
【单选题】The ______ chapter, which follows this one, is the best chapter in this book.
A.
sequent
B.
frequent
C.
consequent
D.
subsequent
【简答题】Chapter One(Part One).pdf
【单选题】The underlined word 'chapter' in Paragraph 2 means______.
A.
one branch of an organization
B.
a written agreement of a club
C.
one part of a collection of poems
D.
a period in a society' s history
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