37.2×99+37.2=25×4÷0.25×4=0.9×7+10.7=9÷5- 发布时间:2017-06-23 21:04 │ 来源:www.tikuol.com 题型:解答题 问题: 37.2×99+37.2=25×4÷0.25×4=0.9×7+10.7=9÷5-1.9÷5﹦6.8-2.4÷3=0.6÷0.3+0.5=1.9+5.1÷51=12-0.05×4=1.8÷0.9×0.5=1×0.01÷0.1=7.2-1.2+6.7=
题型:解答题 完形填空。 In the USA a shopping centre is a place where many different shops and stores are collected under one roof. 1 can buy everything you 2 there. There are other places, those are called five-and-ten-cents (分) stores 3 they sell things for five or ten cents. Today they sell 4 anything and some of the things cost several dollars. Supermarkets are found 5 all the cities. They sell food and many 6 things. You walk around the supermarket, choose the things you want, put them in a special basket 7 by the store and pay 8 them all together at the door. Supermarkets often stay. 9 later than the other places. Stores are always open everyday of the week 10 on Sunday. Some are also open on Sunday in July and August.( )1. A. One ( )2. A. want ( )3. A. that ( )4. A. most ( )5. A. in ( )6. A. wonderful ( )7. A. prepared ( )8. A. off ( )9. A. open ( )10. A. besides B. You B. dislike B. so B. hardly B. near B. expensive B. made B. back B. opened B. except C. He C. have C. because C. almost C. around C. other C. bought C. / C. close C. only 查看答案
题型:解答题 研制和开发不含碳并可工业生产的清洁能源,一直是科学家不懈追求的目标,目前液氨被人们视为一种潜在的清洁燃料。液氨燃烧的化学反应方程式为:4NH3+3O22N2+6H2O。和氢燃料相比有关数据见下表,据此判断正确的是② 以氨和氢为燃料时,可以减缓温室效应②氨泄漏到空气中比氢气更易发生爆炸③等质量的氨和氢分别燃烧,氢放出的热量少④氮的液化比氢容易得多A.①③B.②③C.①④D.②④ 查看答案
题型:解答题 患者,男,43岁,回吸鼻涕带血2个月余。若鼻咽部MRI示:右侧鼻咽部软组织增厚,咽隐窝不对称,右侧颈部多个淋巴结肿大,最大者3cm×3cm,关于该患者下列叙述正确的是()。A.初步考虑鼻咽癌可能B.需进行鼻咽部活组织检查进一步确诊C.可进行颈部淋巴结穿刺细胞学检查D.可直接进行放射治疗E.直接进行颈淋巴结清扫术F.可继续检查EB病毒抗体G.直接摘除单个淋巴结进行病理检查 查看答案
题型:解答题 有关哈夫曼编码方法,以下说法正确的是 (12) 。A.哈夫曼编码是一种有损压缩方法B.编码过程中需要根据符号出现的概率来进行编码C.编码过程中需要建立“词典”D.哈夫曼编码方法不能用于静态图像压缩 查看答案