皮皮学，免费搜题
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【单选题】
假定夫妻不和睦的男司机会有较高的事故发生率,如用病例对照研究来检验此假设,合适的对照为( )。A.
未出事故的男司机
B.
不是司机的男性
C.
夫妻和睦的男司机
D.
夫妻和睦的不是司机的男性
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皮皮学刷刷变学霸
举一反三
【简答题】果蔬原料去皮机按其原理可分为:_____和碱液腐蚀去皮。
【简答题】The head economist Arnold Baker believed that the world is going through the most fundamental change since______.
【单选题】Which of the following statements can NOT be inferred from the passage?
A.
Once the fundamental infrastructure is in place, a company can operate ERP system effectively.
B.
A company that starts doing e-business may in turn influence the way in which its partners do business.
C.
Marketing through e-business is less cost-consuming for a company.
D.
E-business is more likely to help a company cater to individual's needs.
【单选题】A good diet and some moderate exercise are ____ to good health.
A.
adventurous
B.
approximate
C.
fundamental
D.
balanced
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