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【简答题】
A preposition can be very useful in forming a collocation. A. Scan Reading 1 and fill in the blanks with the prepositions used in the collocations. 1) Early resistance _____ online education (Para. 1) 2) concern _____diploma mills (Para. 1) 3) a lack _____oversight (Para. 1) 4) be up _____revision (Para. 1) 5) their ultimate impact _____the ivy-covered halls (Para. 2) 6) _____ the pro side of the MOOC debate (Para. 4) 7) making quality educational instruction available _____the masses (Para. 4) 8) participating in MOOCs_____ one degree or another (Para. 5) 9) focused _____scholarship (Para. 7) 10) working_____ concert with massive online offerings (Para. 8)
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Assume the length factor μ of the pressed column is doubled, then the critical pressure force F will be.
A.
doubled
B.
quadruple of the original
C.
quarter of the original
D.
half of the original
【单选题】患者男性,62岁。上腹隐痛,日益加深的巩膜、皮肤发黄和瘙痒近2个月,纳差,便稀,乏力。体重减轻8kg.体检:消瘦,巩膜、皮肤明显黄染,肝肋下5cm边缘钝,质中,无结节,无触痛,胆囊及障均未触到,无移动性浊音。初步诊断为胰头或壶腹周围癌。关于术后描述不正确的是
A.
禁食期间，静脉补充营养
B.
监测血糖水平
C.
注意观察休克征象
D.
胰瘘多发生于术后早期1~2天内
E.
每3~6个月复查一次
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