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Itiswell-knownthatvegetablesagreatdealofvitamin,whichisveryusefultousA.includeB.keepC.contaninD.cover

题目详情
It is well-known that vegetables______a great deal of vitamin ,which is very useful to us
A.include B.keep C.contanin D.cover
▼优质解答
答案和解析
c.contain
众所周知,蔬菜富含对人体有益的维他命