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【简答题】
Ray Kroc A. owned a restaurant in California. B. invented a milkshakes maker. C. sold machines for making milkshakes.
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反馈参考答案：
举一反三
【简答题】当销售利润率一定时，投资报酬率的高低直接取决于( )。 A销售收入的多少 B营业利润的高低 C投资收益的大小 D资产周转率的快慢
【单选题】She wanted to serve some coffee to her guests; however, _________.
A.
she hadn't many sugar
B.
there was not a great amount of sugar
C.
she did not have much sugar
D.
she was lacking in amount of the sugar
【单选题】With some books badly needed_________, she hurried to the bookstore.
A.
buying
B.
bought
C.
to buy
D.
Buy
【简答题】G-6-PD 缺陷症的发病机制及实验室检查特点如何?
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