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【单选题】
零售是指向消费者出售商品及其服务以供其（ ）之用的全部活动。A.
生产加工
B.
转售
C.
最终消费
D.
生产或转售
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反馈参考答案：
举一反三
【单选题】Arriving home on weekends, the boy told his parents all the ________ that had happened in his school. [ ]
A.
occasions
B.
incidents
C.
matters
D.
affairs
【单选题】钼在人体内的主要作用包括( )。
A.
是黄嘌呤氧化酶、醛氧化酶和亚硫酸盐氧化酶的辅基
B.
是细胞色素的组成成分
C.
是葡萄糖耐量因子的重要成分之一
D.
参与构成谷胱甘肽过氧化物酶
E.
参与合成甲状腺素
【单选题】We all think it is Mr Wang as well as his parents that _______ for his son’s bad performance at school.
A.
are to blame
B.
is to be blamed
C.
are to be blamed
D.
is to blame
【单选题】( )是体内黄素酶的辅基。
A.
黄素单核苷酸、黄素腺嘌呤二核苷酸
B.
黄素单核苷酸、焦磷酸硫胺素
C.
黄素腺嘌呤二核苷酸、焦磷酸硫胺素
D.
焦磷酸硫胺素、黄嘌呤氧化酶
【简答题】顺风旗手位是一手在()位,一手在()位。
【简答题】维生素 B 2 在体内活性形式为 __________ 和 __________ ,是黄素酶的辅基,参与氧化还原反应。
【单选题】Arriving home，the boy told his parents about all the________which occurred in his dormitory.
A.
occasions
B.
incidents
C.
matters
D.
accidents
【简答题】Arriving at home, the boy told his parents about all the ______ which occurred in his dormitory. A) occasions B) matters C) incidents D) issues
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