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【判断题】
冷塑性变形使工件表面产生残余拉应力，提高了零件的抗疲劳强度。A.
正确
B.
错误
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【单选题】What are the three types of hematogenous disseminated tuberculosis originated from primary pulmonary TB?
A.
miliary tuberculosis of the lung, cerebrum and liver
B.
systemic miliary tuberculosis, pulmonary miliary tuberculosis and extrapulmonary tuberculosis
C.
light TB, medium TB and heavy TB
D.
miliary tuberculosis of the liver, lung and kidney
【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？
【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
【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)
E.
直接感染(direct route)
【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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