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【多选题】
在社会心理学的研究方法中,观察法的优点有( )A.
具有现实性
B.
难以保护被试的权利和安全
C.
可以在自然的条件下获得真实的材料
D.
研究结果比较切合实际
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皮皮学刷刷变学霸
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【简答题】孔府 又称 ,是孔子后代长子长孙居住的地方,人称 , 是我国历史上历时最长、规模最大的封建贵族庄园
【简答题】简述有机质在土壤肥力中的作用。
【简答题】简述有机质在土壤中的作用？
【简答题】孔府又称 ,是孔子后代长子长孙居住的地方,人称 。
【单选题】下列泌尿、男生殖系统的感染途径,不正确的是
A.
上行感染(ascending route)
B.
血行感染(hematogenous route)
C.
下行感染(down route)
D.
淋巴感染(lymphatic route)
【单选题】A 29-year-old woman sees her physician because she has had a fever and sore throat for the past 3 days. On physical examination, her temperature is 38.0. The pharynx is erythematous, with yellowish to...
A.
Deposition of immune complexes with streptococcal antigens
B.
Hematogenous dissemination of septic emboli
C.
Renal tubular cell necrosis caused by bacterial toxins
D.
Hypersensitivity reaction to ampicillin
E.
Formation of antibodies against glomerular basement membrane
【多选题】A 29-year-old woman sees her physician because she has had a fever and sore throat for the past 3 days. On physical examination, her temperature is 38.0. The pharynx is erythematous, with yellowish to...
A.
Deposition of immune complexes with streptococcal antigens
B.
Hematogenous dissemination of septic emboli
C.
Renal tubular cell necrosis caused by bacterial toxins
D.
Hypersensitivity reaction to ampicillin
E.
Formation of antibodies against glomerular basement membrane
【简答题】简述土壤有机质在环境生态中的作用。
【简答题】简述有机质在土壤中的作用。
【简答题】简述土壤中的有机质的作用。
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