△ABC的内切圆半径为r，△ABC的周长为l，则△ABC的面积为______． 发布时间：2017-05-26 15:20 │ 来源：www.tikuol.com 题型：填空题 问题： △ABC的内切圆半径为r，△ABC的周长为l，则△ABC的面积为______．
题型：填空题 完形填空。 Every day you ask "Can I dothis?" or "Can I do that?" and people ask you the same 1 .But do you know the 2 way to ask for permission (许可 )? You must be polite (有礼貌的) 3 you are asking for permission. In real life,you 4 to ask permission for different kinds of things. Often, others will 5 no.If what you want to do is right, you should give 6 own (自己的) reasons and give them some time to think about it. For example, LiMing wants to study in Canada. At first, his 7 don't want him to go. They 8 Li Ming will be very busy at school and they will miss him. But after Li Ming 9 them his reasons, his parents agree with him. However (然而),if what you want to do is wrong, you should 10 0thers. Their reasons may be helpful to you.( )1. A. number ( )2. A. good ( )3. A. and ( )4. A. need ( )5. A. write ( )6. A. my ( )7. A. teachers ( )8. A. think ( )9. A. reads ( )10.A. live with B. fruit B. nice B. but B. like B. say B. your B. classmates B. agree B. visits B. listen to C. answer C. best C. so C. show C. spell C. his C. parents C. find C. tells C. talk about D. question D. well D. when D. take D. sing D. her D. grandparents D. want D. thanks D. look for 查看答案
题型：填空题 某社区口腔健康调查资料显示，牙周疾病患病状况不容乐观，牙防所计划开展如下口腔保健措施 。对全社区的各类人群计划开展 （）A.计划爱牙周活动 B.口腔健康教育与促进 C.黑板报展览 D.政治思想教育 E.计划爱牙月活动 查看答案