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【单选题】
高油玉米，油含量的（）%是在胚芽中，占胚芽重的（）%。
A.
70、30-35
B.
75、35-40
C.
80、40-45
D.
85、45-50
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Hartwick college is a small liberal-arts school in upstate New York. Now it makes this offer to students, earn your undergraduate (67) in three years instead of four, and save about $ 43,000--the am...
A.
American higher education could learn a (77) from this. Many colleges and universities are (78) in the past. For instance,the idea of the fall-to-spring "school year" hasn’t changed much (79) the American Revolution, when students put their books away to work the soil (80) the summer. That long summer stretch no longer makes sense. While college (81) sit idle, they continue to generate maintenance, energy, and debt-service expenses that (82) to the high cost of running a college. Meanwhile, tuition has soared, leaving graduating students with unprecedented loan (83)
B.
Expanding the three-year option or year-round schedules may be (84) , but it may be more palatable(宜人的) than (85) Congress for additional bailout money, or asking students for even (86) tuition payments.
【单选题】样本含量估计
A.
根据实际情况能选多少是多少
B.
经济条件允许的情况下越多越好
C.
时间允许的情况下越多越好
D.
调查整个总体最好
E.
保证研究结论具有一定可靠性的前提下确定的最小例数
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【单选题】Hartwick college is a small liberal-arts school in upstate New York. Now it makes this offer to students, earn your undergraduate (67) in three years instead of four, and save about $ 43,000--the am...
A.
American higher education could learn a (77) from this. Many colleges and universities are (78) in the past. For instance,the idea of the fall-to-spring "school year" hasn’t changed much (79) the American Revolution, when students put their books away to work the soil (80) the summer. That long summer stretch no longer makes sense. While college (81) sit idle, they continue to generate maintenance, energy, and debt-service expenses that (82) to the high cost of running a college. Meanwhile, tuition has soared, leaving graduating students with unprecedented loan (83)
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Expanding the three-year option or year-round schedules may be (84) , but it may be more palatable(宜人的) than (85) Congress for additional bailout money, or asking students for even (86) tuition payments.
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