8k纸尺寸

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久了,整数是42 代表100% 耗损4% 怎么算出这4%的价格? 几道数学题,不知怎么算?1)求cos(sinx)^1/2的定义域 2)sinx>tanx>cotx,能判断出sinx>tanx的范围,但sinx和cotx怎么比较,画三角函数线看不出来,都在(-1,0)之间 3)0度大于等于a小于360度且cos(a-30度)>0,求a的范围 like doing造句,如果主语是单三,like用加s吗The little girl------with her dolls.A.like playingB.likes to play C.like to play 下列各处均有一处错误,请指出.1.let·s play a volleyball.2.Does your parents play baskball?3.Jenny have a tennis racket.4.He don`t have a soccer ball.然后是:have的第三人称单数是什么?do的第三人称单数是什么? let's+play+a+volleyball哪里错了 Let‘s play volleyball 变否定句 then let s play volleyball? let's play 填什么 volleyball that play 填什么 drumsA the,\ B the,the c \,the D \,\ 我现在上8年纪,物理老师做了两个实验,如下:1:他能空手我这灯泡,让灯泡亮起来,他是怎么做到的.2:在纸杯里倒上一点水,把杯子倒过来,杯子水不洒出来,他是怎么做到的, 言行跟内心思想一致,不虚假这句话用词语怎么写? 形容思想和言行完全一致的词 有谁知道be scared of与be scared at的区别 help sb (to) do sth中的sb可以省略吗?也就是说有help to do ,help do help to do sth和help do sth Help sb to do sth中to什么时候省略?举例. help sb to do ,to能省略吗 好像是healthily Scared Of Lonely什么意思求翻译 It scared shit out of me的意思RT 有没有,be scared of, 动词 + sb 后面应该是 to do 还是 doing 动词+sb后面应该是to do 还是doing啊?比如imagine sb doing之类的.或者是每个动词都有不动的用法? health和healthy的用法,区分和例句 英语翻译(1)You love basketball very much.(2)It looks like snow.(3)He doesn't come from America.(4)We have been here for a long time.(5)His sister didn't attend the meeting.改为反意疑问句 health,healthy,healthily区别health 表示状态healthy 修饰名词作定语,也做表语healthily 修饰动词作状语 be tired of 同义词 be scared of 的同义词 be made of 的同义词如题 be unaware of be aware of 的同义词 be( )of 好像和wear的音差不多吧 与be scared of等同的是?RT 用记叙,说明,抒情,议论,描写写一句话,(都得用一个物体来写)30个字一句! 用“燕子飞翔”,写一句话,用到议论,抒情,描写,说明,记叙五种方式,都要用到 你知道哪些名人读书的故事?请简单介绍两个!) 名人读书故事.要概括简洁.