x = ['aaaa', 'bc', 'd', 'b', 'ba'] sorted(x, key=lambda item: (len(item), item))运行结果正确的是( )。 A: ['b', 'd', 'ba', 'bc', 'aaaa'] B: ['aaaa', 'ba', 'bc', 'b', 'd'] C: ['aaaa', 'b', 'd', 'ba', 'bc'] D: ['ba', 'bc', 'aaaa', 'b', 'd']
x = ['aaaa', 'bc', 'd', 'b', 'ba'] sorted(x, key=lambda item: (len(item), item))运行结果正确的是( )。 A: ['b', 'd', 'ba', 'bc', 'aaaa'] B: ['aaaa', 'ba', 'bc', 'b', 'd'] C: ['aaaa', 'b', 'd', 'ba', 'bc'] D: ['ba', 'bc', 'aaaa', 'b', 'd']
图示结构用力矩分配法计算时分配系数为() A: μBA=0.5,μBC=0.5,μBD=μBE=0 B: μBA=μBC=4/15,μBD=3/15,μBE=0 C: μBA=μBC=4/13,μBD=1,μBE=0 D: μBA=0.5,μBC=0.5,μBD=1,μBE=0
图示结构用力矩分配法计算时分配系数为() A: μBA=0.5,μBC=0.5,μBD=μBE=0 B: μBA=μBC=4/15,μBD=3/15,μBE=0 C: μBA=μBC=4/13,μBD=1,μBE=0 D: μBA=0.5,μBC=0.5,μBD=1,μBE=0
如图,填空:已知BD平分∠ABC,ED∥BC,∠1=20°.∵BD平分∠ABC,∴=∠1=20°,又∵ED∥BC,∴∠2==°.理由是:.又由BD平分∠ABC,可知∠ABC==°.又∵ED∥BC,∴∠3==°,理由是:.
如图,填空:已知BD平分∠ABC,ED∥BC,∠1=20°.∵BD平分∠ABC,∴=∠1=20°,又∵ED∥BC,∴∠2==°.理由是:.又由BD平分∠ABC,可知∠ABC==°.又∵ED∥BC,∴∠3==°,理由是:.
【单选题】临床上药物的治疗指数是指 A. ED 50 /LD 50 B. LD 50 /ED 50 C. LD 5 /ED 95 D. ED 95 /LD 5 E. LD 1 /ED 95
【单选题】临床上药物的治疗指数是指 A. ED 50 /LD 50 B. LD 50 /ED 50 C. LD 5 /ED 95 D. ED 95 /LD 5 E. LD 1 /ED 95
[img src="http://edu-image.nosdn.127.net/D69ABD68260993CC215898EB74B1E2A2.bmp?imageView%E4%B8%8A%E5%9B%BE%E8%9E%BA%E7%BA%B9%E9%83%A8%E5%88%86%E7%9A%84%E8%A1%A8%E8%BE%BE%E9%94%99%E8%AF%AF%E7%9A%84%E5%9C%B0%E6%96%B9%E4%B8%BA%EF%BC%88%20%EF%BC%89"] A: 大径、小径的线宽 B: 螺纹终止线的线型 C: 剖面线的线宽 D: 剖面线的填充区域不完整
[img src="http://edu-image.nosdn.127.net/D69ABD68260993CC215898EB74B1E2A2.bmp?imageView%E4%B8%8A%E5%9B%BE%E8%9E%BA%E7%BA%B9%E9%83%A8%E5%88%86%E7%9A%84%E8%A1%A8%E8%BE%BE%E9%94%99%E8%AF%AF%E7%9A%84%E5%9C%B0%E6%96%B9%E4%B8%BA%EF%BC%88%20%EF%BC%89"] A: 大径、小径的线宽 B: 螺纹终止线的线型 C: 剖面线的线宽 D: 剖面线的填充区域不完整
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请从以下选项中选择正确的降E大调的调号 A: bB bE bA B: bF bC bG C: bB bC bG D: bF bE bA
请从以下选项中选择正确的降E大调的调号 A: bB bE bA B: bF bC bG C: bB bC bG D: bF bE bA
%B5%B1%C4%E3%CD%FC%BC%C7%C4%E3%C8%CB%B5%C4%B8%DF%B9%F3%C9%ED%B7%DD%B5%C4%CA%B1%BA%F2%A3%AC%BE%CD%CA%C7%A3%A8%A3%A9%B5%C4%BF%AA%CA%BC%A1%A3
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治疗指数最大的药物是() A: AA药半数致死量(LD<sub>50</sub>.=500mg,半数有效量(ED<sub>50</sub>.=100mg B: BB药LD<sub>50</sub>=100mg,ED<sub>50</sub>=50mg C: CC药LD<sub>50</sub>=50mg,ED<sub>50</sub>=5mg D: DD药LD<sub>50</sub>=500mg,ED<sub>50</sub>=25mg E: EE药LD<sub>50</sub>=100mg,ED<sub>50</sub>=50mg
治疗指数最大的药物是() A: AA药半数致死量(LD<sub>50</sub>.=500mg,半数有效量(ED<sub>50</sub>.=100mg B: BB药LD<sub>50</sub>=100mg,ED<sub>50</sub>=50mg C: CC药LD<sub>50</sub>=50mg,ED<sub>50</sub>=5mg D: DD药LD<sub>50</sub>=500mg,ED<sub>50</sub>=25mg E: EE药LD<sub>50</sub>=100mg,ED<sub>50</sub>=50mg
7降(bC大调、ba小调)=5升(B大调、#g小调
7降(bC大调、ba小调)=5升(B大调、#g小调