二氧化硫的分子个数

Ididn't pas the maths test,I think I have spent too much time laying com puter games recently^------I didn't pass the maths test,I think I have spent too much time playing com-puter games recently.------I agree.You______play like that any more.A.need 一个底面是正方形的长方体,它的底面积是16平方厘米,其中一个侧面是24平方厘米,这个长方体的体积是多少 一个底面是正方形的长方体,如果高增加2厘米,表面积则增加24平方厘米,原来长方体的高是5厘米,原长方体 长30厘米宽24厘米的长方体铁皮4角上剪边长3厘米正方形把剩下的部分折成一个无盖的长方体表面积和体积? This time ,I think that\'s that 什么意思 I think it's the time that I should struggle for me.. 译：I think that that that that that that is a student 英语翻译同上. 求一英语作文,best friend,字数300注：是写人的,此人男性为宜,最好为高中同学. my best friend 英文作文 字数300字以上 求一英语短文,best friend,字数300注：此人男性为宜,最好为高中同学.是写人的 I think watching TV is boring.为什么动词watch 为什么用 ing 形式?还有、think 后面的动词一般会怎么变 比如遇到主语是第三人称 或者。 请问这句话中的watch为什么要加ing?he fall asleep while watching television. On weekends he like to stay at home　(watching TV all the time),这里的watch为什么要用ing形式 "Watching TV sounds interesting."中的“watch”后为什么要加"ing" Do you think watching TV is a waste of time Why or why not?(不是翻译,就回答) on weekday 和on weekdays 一样么?还有on weekend 和on weekends 一样么 Sarah goes to shool on foot.(改为一般疑问句,并作否定回答） 个性英文名字（女生）吾想起个英文名,最好有个性点的.要附带中文意思啊,麻烦了~ 不要太老套,比如说像【sugar 糖】 【lemon 柠檬】之类的可以扩展到各种类型的 什么【rain】 【sund 女生的英文名、要有个性英文名最好有papa的读音或者有jing 的读音如果都没有就有nai 实在不行就很有个性 I do not know how long the river is=I do not know of the river. I have only a little ( ) of computers.(know) Do you know the exaxt ( ) of the river?(long) I have only a little ( ) of computers.(know) Do you know the exaxt ( ) of the river?(long) The information offfice is ( )in the city center.(locate) At last th We have know for a long time that flowers of different plants and close at different time of a day time spend on playing video games is on the rise和 time spend to play video games is on the rise哪个对? _____ I've known him for a long time, _______I don't know him well.a. / … although b. Though … but c. Though … yet d. because … They take a bus to school every day.（改为一般疑问句） Ann goes to violin lessons （on friday）提问 关于英语语法中名词所有格的用法为什么是twenty dollar 's value 而不是twenty dollars' value 不要让距离变得遥远的英语怎么说 人体中的杠杆有哪些?人体中的杠杆有好多,它们能够协调和支配力量的分布,完成某一个动作或任务.关键拒绝与力点与支点的距离,力点与重点的距离,距离大小决定着用力的大小,有时候省力, 杠杆平衡时,动力和阻力的方向一定相反,这为什么不对呢?就算是180°旋转,一个是顺时针,一个是逆时针,方向不还是相反的吗? 谁知道指甲钳的结构吖?A一个省力杠杆 B一个省力杠杆、一个费力杠杆 C一个省力杠杆、两个费力杠杆 D两个省力杠杆、一个费力杠杆 最好有图能说明三个杠杆的位置~不过能说明白就行... 高杠杆基金都有哪些?杠杆率分别都是多少?