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【单选题】
在列联分析中,当列联表为 4 行 5 列时,其自由度为: ( )A.
20
B.
12
C.
9
D.
15
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【简答题】What does the education in the United States encourage?
【简答题】患者,男,25岁。因左腰部刺伤入院。体格检查:BP70/50mmHg,伤口持续溢出淡红色液体,左上腹触痛,但无肌紧张及反跳痛。
【单选题】From the passage, we can learn that the key to improve the education in the U.S. is to______.
A.
raise teachers' salary in remote areas
B.
provide well-trained teachers for all students
C.
rearrange the curriculum so that teachers can have a break
D.
allow students to choose their favorite teachers
【简答题】Z值越大，一般说明微生物的耐热性越（ ）；D值越大，表示微生物的耐热性越（ ）。
【单选题】患者，男性，25岁。因左腰部被刺伤入院，血压70／50mmHg，伤口持续溢出淡红色液体。左上腹触痛，但无肌紧张及反跳痛 诊断首先考虑是
A.
脾破裂
B.
胃穿孔
C.
肾损伤
D.
肠破裂
E.
胰腺损伤
【单选题】According to the text, the author seems to be
A.
against the education in the very early historic times.
B.
in favor of the educational practice in primitive cultures.
C.
positive about our present educational instruction.
D.
quite happy to see an equal start for everyone.
【简答题】一个人的财务安全，主要有这些内容（ ）。
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