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【单选题】
最小二乘法原理是平均值原理的（）。A.
推广
B.
局部情况
C.
同一情况
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【简答题】男性，36岁，因关节肿痛2个月，高热、寒战、乏力3天入院。关节摄片见密度增高，提示坏死性骨髓炎。检验：HGB115g／L，WBC0.9×10 ／L，分类未报，血小板正常。骨髓提示增生性骨髓象，粒细胞中可见中毒颗粒患者诊断考虑A、急性白血病 B、慢性淋巴细胞白血病 C、再生障碍性贫血 D、类白血病反应 E、粒细胞缺乏症 该患者最可能发病机制是A、粒细胞生成障碍 B、粒细胞成熟障碍 C、粒细胞破坏过多...
【多选题】有关九寨沟说法正确的是
A.
九寨沟位于贵州省九寨县境内，因藏族的9个寨子而出名
B.
海拔在2000米以上，沟内有108个湖泊
C.
九寨沟以高原钙华湖群、钙华瀑布出名
D.
有“黄山归来不看山，九寨归来不看水”之美称
E.
以“翠海、叠瀑、彩林、雪峰、藏情、蓝冰”为六绝
【简答题】Why does the author say high consumption is a mixed blessing? A) Because poverty still exists in an affluent society. B) Because moral values are sacrificed in pursuit of material satisfaction. C) Bec...
【单选题】Why does the professor mention the Western-Heritage Model used in her high school?
A.
To explain why she prefers using the model
B.
To emphasize that the model was widely used in the past
C.
To correct an error in a student's description of the model
D.
To compare high school history courses to college history courses
【单选题】Why does the woman say this:
A.
To assure the man that she will get a high grade in the class.
B.
To emphasize that the format of seminar classes is unfamiliar to her.
C.
To suggest that her professor is not giving her enough work.
D.
To request help with some of her specific class assignments.
【单选题】Why does the man think the price is too high?
A.
The location is not good.
B.
The neighbors are too noisy.
C.
Some repairs must be done.
D.
Traffic is too heavy.
【简答题】Why does the woman mention her experience in high
school?A. She
thinks that her previous studies may count for credit at the university. B. She
wants to impress the professor. C. She
believes that wha...
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