l have a
问题描述:
l have a
答
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?
- FeS的电离中c(Fe+)*c(s2-)=6.25*10^-18,又知溶液中,[c(H+)]^2*c(S2-)=1*10^-22现将适量的FeS,投入饱和溶液中,要使溶液的c(Fe2+)达到1mol/L,应调节溶液的PH为多少?
- CN-水解究竟结合什么啊,0.1mol/L的NaCN和0.1mol/LHCN溶液的混合液,各离子浓度的大小顺序是什么,我伤病在家不能上课,有些不懂的就仰仗各位了消耗的是氢离子还是氢氧根离子额?消耗水分子那它结合水分子生成什么?
- 关于亨利定律1803年英国医学家亨利(W.Henry)提出著名的亨利定律:当温度不变时,不发生化学反应的气体在液体中的溶解度与其压力在一定范围内成正比.已知空气在人体血液(37℃)中的溶解度为6.6×10⁻4mol/L.压强增大10倍后,空气在人体血液中的溶解度不会增至……………………( )(A)6.6×10⁻3mol/L (B)1.48×10⁻1mol/L (C)1.914×10⁻1g/L (D)6.6×10⁻3NA/L求讲解
- 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.
- 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
- 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?
- 一篇英语作业```请懂的帮我解答``谢谢了.You are writing a letter of congratulation to the boy in the passage of Exercise 5.The following are groups of words you would like to say to him1 your high grade,congratulations,inmath,on!2 this term,were not .your cfforts,in vain.3 in all subjects,have you,trying to get an “A”,thought about?4 you,nothing,is,put,impossble,into,it,your heart,if.5even greater,in the future,you,wish!本人英语稀烂```希望有好心人能帮下我```好象写篇作文要包含这5段话里面的单词吧````真心求助
- 1.圆锥的母线长为L,高为1/2L,则过圆锥顶点的最大截面的面积是( )2.用两个平行平面截半径为5的球,所得圆面的周长分别为6π和8π,则这两个截面之间的距离为____3.将一个边长为10的大正方体的表面涂成红色后,再切成边长为1的小正方体,这些小正方体中至少有一面涂成红色的个数是4.长方体的表面积是22.所得棱长的和为24,则对角线长为________5.用一个平行于圆锥底面的平面截这个圆锥,截得的这个圆台上、下底面的半径是1:4.,截去的圆锥的母线长为3cm,求截得的圆台的母线长.
- My only the bestintimate :from us knoweach other.perhaps toknow each other this is afate 'l lik...My only the bestintimate :from us knoweach other.perhaps toknow each other this is afate 'l like you sunshineand tenacious and heavyfriendship and rich theliterary qing and know isyou charisma .is veryhappinesp to know you .istartdevout me light likeand deep love for you.you understand and yousee?We all trust:strengjust like the wolf and weall like wolf l
- 冬天站在阳光下为什么会感到温暖
- 冬天为什么阳光少