乐观面对人生议论文

1、A复印机每天是B复印机复印的2.5倍,他们一共复印了1200份,问复印得多的那一个复印了多少份?2、一组机器共有5cluster,每个cluster有50台机器,第一天员工们使用了135台,第二天使用了86台,第三天 已知x平方+y平方+z平方-xy-3y-2z+4=0,求出x+y-z的值 一辆汽车,从甲地去乙地行驶了10个小时,从乙地回到甲地行驶了8小时.速度提高了百分之几?现在要 一辆汽车,从甲地到乙地用8小时,返回用5小时,速度提高了百分之几?一根铁丝,如果用去20%,剩下12米,如果用18米剩多少米?农场今年收获小麦45吨,比去年增产5吨比去年增产百分之几?甲车间工人100 一辆汽车从甲地开往乙地用了5小时,返回时速度提高了20％,这样少用了多少小时? 汽车从甲地到乙地要10小时,返回时速度提高25%,返回要多少时间 一辆汽车从甲地到乙地去时用了5小时,返回时只用了4小时,速度提高了百分之几? (1)已知x＜2,且y=2-x分之根号（x-2）的平方+3.求y倍根号3y+y分之1乘以根号y分之1的值(2)已知a=根号2+1分之根号2-1且a=b分之1,求根号ab（根号b分之a+根号a分之b）的值（3）已知6+根号11与6-根号11的小 若输入字符B ,则语句“while (ch =getchar()=='B')；”执行后ch的值是＿谢谢! 根据首字母提示,补全单词,完成句子.1.I like p the guitar.2.She n some books.3.Tom is w for the bus.4.Let's i to the music.5.The rain c from the clouds. 根据句子内容,补全单词所缺字母1.Don't m_____ noise in class 2.What's your h_____ ,Peter?3.January is the f______month of the year.4.I'II g_______some ice cream for you.5.The weather is very h________in summer. 根据首字母提示写单词补全句子1.I like the picture. Can I c＿ it?2.Kim is a little child. She b＿ there is a Santa.3.The fire dosen't hurt me. I'm very I＿.4.This book has many f＿ stories.横线为空缺部分. 读句子,根据首字母提示补全单词.come and look at my new c_____the trash bin is n_____shethere is a boy b_____the doormanyc_____are in the closet 请问一下各国的英文简称例如美国USA 英国. 根据首字母,补全单词,完成句子l like p___ the guitarshe n___some bookstom is w____for the busLet's l___to the musicthe rain c___ form the clouds 使用显微镜观察玻璃片标本时,如何判断视野中的物体是气泡还是细胞? 各国英文简称 世界各国家英文简称 怎样区别显微镜中的细胞和气泡 显微镜下怎样区分气泡和细胞 世界各国的英文简称及其货币名称（英文简称） 世界各国的英语简称如:中国PRC 用显微镜观察细胞时,为什么视野中有时会有气泡? 怎样区别显微镜视野中的细胞和气泡 只有变量才可以定义标识符吗.这句话是正确的吗?为什么百度没有找出来这句话呢? 根据单词所给的首字母填写,完成句子.1.It's raining outside.Take an u_____with you.2.Before you post the letter,put a s_____on the envelope.3.There are many f_____and trees in the park.It's very beautiful.4.Do more e_____and you will get 根据首字母写单词,使句意通顺.1、Lingling's grandpa was a flute P( )before.2、The n( )works in a hospital.3、You should r( )these books in tow weeks.4、F( )and c( )is a traditional English dinner.5、You can b( )the books in a I( ).判 下面这条c语言语句 “->“这个符号是什么意思printf("%d\t%s\t\t%c\t%f\t\n",ps->num,ps->name,ps->sex,ps->score) 根据首字母提示写出单词,完成句子.1.--- Thank you very much!--- With p _______.2.W__________ comes after Tuesday.3.What do you have for b__________.　4.This is Peter’s e________ life.5.F________ is the second month of a year. 根据句以及首字母提示完成单词1：--What are they doing?--They are _c______ the house.2:--What do you _w______ to do in the future.--To be a teacher.3:They use knives to _c_______ things.4:People usually have three _m______ a day.用所 根据句子及首字母提示完成单词 根据单词及首字母提示完成句子Paris is the capital of F____she can do her homework by h______she couldn't see.she was b____I I____to write when I was 3 years oldthe old lady has five c_____he couldn't hear.he was d_____