如图,菱形ABCD的边AB=20,面积为320,∠BAD<90°,⊙O与边AB,AD都相切,AO=10,则⊙O的半径长等于() A . 5 B . 6 C . 2 D . 3 答案:C
根据对话内容,补全对话中所缺单词,每空一词。
J:Jim
L:Li Lei
L:Hi, Jim!Are you going to come with us tomorrow?
J:Where 1 go?
L:We’re going to 2 a picnic on the West Hill.
J: 3 ?I’d love to. 4 shall we meet?
L:Outside the school gate.
J: 5 shall we meet?
L:At eight o’clock. 6 some food and drink with you.
J:OK. 7 can we get there?
L: 8 bus.Don’t be late.
J:I 9 .See you tomorrow.
L: 10 you tomorrow.