Rt△ABC中∠C=90°,若a=8,b=6,则sinB=( );若b=25,c=30,则cotA=( )。
;
完形填空。
On weekends, I o 1 go to movies with my friend Jack. My f 2 movie star is Jack Chan. He’s
a great a 3 He has a n 4 movie, Speed. It’s a very s 5 action movie. I think it’s e 6 Jack l 7
Michelle Yan best. He likes her f 8 movie, Sleepless Night. It’s a thriller. I don’t t 9 it’s great. In
fact, it’s b 10 .
1. _____ 2. _____ 3. _____ 4 . _____ 5 . _____
6. _____ 7. _____ 8. _____ 9 . _____ 10 . _____
全浮式支承的半轴易于拆装,不需拆卸车轮就可将半轴抽出。