甲、乙两个质点都做匀速圆周运动,甲的质量是乙的2倍,甲的速率是乙的4倍,甲的圆周 发布时间:2017-06-03 19:27 │ 来源:www.tikuol.com 题型:填空题 问题: 甲、乙两个质点都做匀速圆周运动,甲的质量是乙的2倍,甲的速率是乙的4倍,甲的圆周半径是乙的2倍,则甲的向心力是乙的______倍.
题型:填空题 根据上下文选择恰当的单词补全对话。A: What do you want 1___________? B: Let's go 2___________. A: Okay. 3___________? B: Hmmmmm. Let's go 4___________ the silk shop. A: The silk shop! 5___________, thanks. I 6___________ want to buy silk.B: Okay, then let's go to the 7___________ shop. I want to buy a new dress. A: Forget it! I don't want to buy a new 8___________.B: Well, 9___________ 10___________ you want to buy? A: Ice cream. ( ) 1. A. do( ) 2. A. shop( ) 3. A. Where( ) 4. A. for( ) 5. A. Sorry ( ) 6. A. don't( ) 7. A. bicycle( ) 8. A. shirt( ) 9. A. Where( ) 10. A. doB. does B. shops B. What B. to B. No B. aren't B. tea B. hat B. where B. does C. to do C. to shoping C. How C. on C. Yes C. amnot C. clothes C. bike C. what C. did D. doing D. shoppingD. WhenD. in D. Okay D. can't D. tire D. dress D. What D. doing 查看答案
题型:填空题 下列加点字的读音,不正确的一组是( )A.匪我愆(qiān)期咥(xì)其笑矣自牧归荑(tí)联袂(mèi)主演B.虔(qián)诚偌(ruò)大蹊(qī)跷惩(chěng)创武功C.否(pǐ)泰分明重(chóng)以修能将(qiāng)子无怒留作遗(wèi )施D.洎(jì)牧以谗诛盖音谬(miù)也钟磬(qìng)鹳(guàn)鹤 查看答案
题型:填空题 在建设用地使用权的特征中,对权能上差别性的叙述,正确的有()。A.国有建设用地使用权有期限限制,具有较为完整的权能,除占有、使用外,还可具有转让、出租、抵押等权能B.建设用地使用权的权能因其所有权性质的不同,差别巨大C.在用途上,禁止集体土地进行房地产开发D.集体建设用地使用权无期限的限制,其权能主要表现为占有和使用,其处分权能受到严格限制E.建设用地使用权人必须按照法律规定和约定的条件利用土地 查看答案