共有几个DFF
共有几个DFF
让步模式可概括为()。 A: 26/20/10/4 B: 50/0/-1/0 C: 55/0/0/5 D: 0/0/0/60 E: 8/13/17/22
让步模式可概括为()。 A: 26/20/10/4 B: 50/0/-1/0 C: 55/0/0/5 D: 0/0/0/60 E: 8/13/17/22
【单选题】当表面活性剂加入溶剂后,所产生的结果是: A. dγ/da<0,正吸附; B. dγ/da<0,负吸附; C. dγ/da>0,正吸附; D. dγ/da>0,负吸附
【单选题】当表面活性剂加入溶剂后,所产生的结果是: A. dγ/da<0,正吸附; B. dγ/da<0,负吸附; C. dγ/da>0,正吸附; D. dγ/da>0,负吸附
关于变化方向的判据,以下错误的是 A: △S孤立>=0, (dA)T,V,W’>=0, (dG)T,V,W’<=0 B: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’>=0 C: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0 D: △S孤立<=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0
关于变化方向的判据,以下错误的是 A: △S孤立>=0, (dA)T,V,W’>=0, (dG)T,V,W’<=0 B: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’>=0 C: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0 D: △S孤立<=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0
(17)0÷(-17)-1=______.
(17)0÷(-17)-1=______.
isprime(17)的值是( )。 A: 0 B: 1 C: 17 D: -17
isprime(17)的值是( )。 A: 0 B: 1 C: 17 D: -17
黏土中砂粒含量占土壤颗粒重量组成的() A: 0%~30% B: 0%~40% C: 0%~55% D: 10%~55%
黏土中砂粒含量占土壤颗粒重量组成的() A: 0%~30% B: 0%~40% C: 0%~55% D: 10%~55%
关于变化方向的判据,以下错误的是 A: △S孤立>=0, (dA)T,V,W’>=0, (dG)T,V,W’<=0 B: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’>=0 C: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0 D: △S孤立<=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0
关于变化方向的判据,以下错误的是 A: △S孤立>=0, (dA)T,V,W’>=0, (dG)T,V,W’<=0 B: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’>=0 C: △S孤立>=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0 D: △S孤立<=0, (dA)T,V,W’<=0, (dG)T,V,W’<=0
_______ Einstein won the Nobel Prize for physics. A: It is in 1921 that B: It was in 1921 that C: It is in 1921 when D: It were in 1921 that
_______ Einstein won the Nobel Prize for physics. A: It is in 1921 that B: It was in 1921 that C: It is in 1921 when D: It were in 1921 that
图示圆轴受扭,则截面A,截面B和截面C相对于截面D的扭转角有四种答案,正确的是( )。[img=442x204]18034d3c29d4234.png[/img] A: φDA=φDB=2φDC B: φDA=0,φDB=φDC C: φDA=φDC,φDB=0 D: φDA=φDB=φDC
图示圆轴受扭,则截面A,截面B和截面C相对于截面D的扭转角有四种答案,正确的是( )。[img=442x204]18034d3c29d4234.png[/img] A: φDA=φDB=2φDC B: φDA=0,φDB=φDC C: φDA=φDC,φDB=0 D: φDA=φDB=φDC