- 問題詳情:讀圖(圖中*影部分為黑夜,∠POQ=60°,∠POM=30°),完成5~6題。5.圖示時刻太陽直*點的地理座標可能是()A.23°26′S,120°E B.23°26′S,120°WC.23°26′N,60°E D.23°26′N,60°W6.圖示時間,下列地理現象可信的是 ...
- 6255
- ThedogiswearingaJetsjerseyhelmetandisholdingJetspompoms.Thepoorguysyearbookphotowasofhimandhimselfonly.Wehadasmallplayground,andourcheerleadinggroupusedtreebranchesaspompoms....
- 20801
- 1、Man:pom,pom,pom,pom,po-pomGodsavetheQueen!...GodsaveourgraciousQueen!2、AsIgotintomyHondaOdysseyminivananddrovetopractice,Iwasjustanotherpom-pomgirlagain.3、Experimentingwithpolymersofdifferentlengths,shefoundacombinationthatformedstable,"pom-pom...
- 16871
- 1、AsIgotintomyHondaOdysseyminivananddrovetopractice,Iwasjustanotherpom-pomgirlagain.2、Slipperscrownedwithtullepom-pomswillsatisfythelongingsoffutureprima-ballerinas.3、Max'sevenmoredismalNewYorkiscastinjumbledpatternsofblack,whiteandgrey,untilMary...
- 13198
- 問題詳情:若函數f(x)=4lnx,點P(x,y)在曲線y=f′(x)上運動,作PM⊥x軸,垂足為M,則△POM(O為座標原點)的周長的最小值為.【回答】f′(x)=(x>0),∴P(x,),M(x,0),∴△POM的周長為x++≥2+=4+2(若且唯若x=2時取得等號).*:4+2知識點:基本初等函數I題型:填空題...
- 20620