I have a good chance ____ (visit) Shanghai this summer holiday.
在△ABC中,a,b,c是角A,B,C的对边,若a,b,c成等比数列,A=45°,则bsinBc=( )
读一读、把正确的单词写在横线上。
week Saturday Sunday Thursday go to school
世界上海拔最高、线路最长的高原铁路是( )