The table is made of__________.

The table is made of__________. A.many glass B.glass C.glasses

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These shoes__________in Guangzhou.

These shoes__________in Guangzhou.A.is made B.made C.are made

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有关利福平的特点的阐述,正确的是(  )

有关利福平的特点的阐述,正确的是(  ) A.鲜红色或暗红色结晶性粉末 B.结构中含有环戊基 C.萘二酚结构在碱性条件下氧化成醌型化合物 D.遇光变质,水溶液易

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The suggestion__________all right.

The suggestion__________all right. A.has sounded B.is sounded C.sounds

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具有青霉烷砜结构的β-内酰胺酶抑制剂是 (  )

具有青霉烷砜结构的β-内酰胺酶抑制剂是 (  )

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