have to等于need to?

相关推荐

• language 到底可数么What a useful language English is!Flowers have their own language.language到底可数吗?
• 780除以9等于86余6,被除数和除数同时除以3,商是多少余数是多少
• 英语翻译It was the first day of our winter holiday.All of us were very happy.Why?Because we have one months to do things we love to do.We are free.Although we have some homework.But we can finish them in several days.And the rest time we can make good use of.My god!We have been very tired after hard studying.In winter holidays,I want to have full sleep and eat good food in order to replenish myself.Last but not the least,I will have a good rest.
• 如果在等式5（X+2)=2(X+2)的两边同除以X+2就会得到5=2,我们知道5不等于2,由此可猜测X+2等于（ ）1.为满足市场对优质教育的要求,某中学决定改变办学条件,计划拆除一部分旧校舍,建造新校舍.拆除旧校舍每平方需80元,建造新校设每平方需700元,在实施中为扩大绿化面积,新建校舍只完成了计划的80%,而拆除旧校舍则超过了10%,结果恰好完成了原计划的扩 建的总面积. （1）求原计划拆 建面积各多少平方米： （2）若绿化1平方米需200元,那么在实际完成的拆建工程中结余的资金用来绿化大约是多少平方米?（用方程）计划在年内拆除旧校舍与建设新校舍共7200平方米. 急急急急急急急急急急急急急！！！！！！！！！！！快快快快快快快快快！！！！！！！！！！！！！！！
• 如果在等式5（x+2）=2（x+2）的两边同除以x+2就会得到5=2．我们知道5≠2，由此可以猜测x+2等于______．
• 1.1-2+2的平方-2的3次方+2的4次方.-2的7次方+2的8次方等于多少?2.1991×19901990-1990×199119913.999×998998999-998999999998
• 阅读选择：We have a nice classroom.The windows are big and the wals are white.There's a bigblackboard on the front wall.A big desk is near it.It is for our teachers.There's a map of China and some other pictures on the wall.There are forty small desks and chairs in the room.They are for students.There are sixteen girls and twenty-four boys in our class.There are some flowers on the teacher's desk.They're for our English teacher.She is  a good teacher and w
• 方程sin(x+pai/3)=m/2在大于等于0小于等于pai上有两个解,求m的取值范围?
• would you like some pears?--No,thanks.I think there ___ enough for usA.is B.are C,has been D.had beenc是不是应该改为have been因为pears 是复数,B也错了,因为要用完成时态请问,你觉得呢?
• 甲乙丙丁四个数字的和等于55,甲加二等于乙减二,两倍的丙又等于二分之一的丁,求甲乙丙丁四个数字.不能设x.
• A bed,a desk and a chair () in the room.()是 is 还是 are
• I like swimming in the river .（把主语换成he ) There is a desk in the room .（改为复数句子）