二重积分X区域Y型区域

I think more about immediate results than i do about mentoring others.什么意思? Why do you think people are more motivated than others?thanks I was too tired ________ I just stayed at home to relax.A.such B.soC.so that D.to boring,exciting,difficult,expensive,comfortable,relaxing的比较级形式? relaxing是什么意思?还有，它怎么读 boring、angry、relaxing、quick、lazy、ugly、weare、healthy的比较级、最高级? big、relaxing、quiet、quiely、interesting比较级和最高级是? The plan is heard _____ so well that we don't need to make any change.A designed B to be designed为什么不用B The plan is heard designed so well that we don't hane to make any changes.为什么用 designed 而不用to designed不是be heard to do sth The plan is heard ____so well that we.The plan is heard designed so well that we don't hane to make any changes不是有be heard to do sth的吗为什么还要用design的过去式 we demanded that we be informed of any change in the plan.求详解 列强怎样瓜分中国 主要是按时间排个序 还有时局图上的动物代表什么? My father is Mr Smith.改为特殊疑问句对划线部分提问.划线部分是 Mr Smith.（　　　　）is your（ ）name? Mr.Smith is my father,改为一般疑问句 Who is the girl ___ Mr.Smith and Mrs.Smith .用恰当的介词填空. 哪些金属有辐射 这是什么金属 有辐射么?这是什么金属,长度3CM感觉比铁重,记得是在一个废弃的设备拆下来的,好像是电闸盒不太确定,很亮和不锈钢一样但是磁铁吸不起来,是不是白钢呢? 金属是否有辐射? 我就想知道什么金属是有辐射的?听说那东西很危险,看电视有个男的在街上捡了个金属小链放进裤子里结果腿都没有了~到底什么样的金属有危险? You take the things to your room 怎样改为祈使句 He just stayed home.这句话对嘛?还是home前要加一个at? 清朝的时局图上的不同的人和动物是什么意思?特别是左上角的人和马还有代表德国的东西 首字母填空the food tastes very delicious.you can e()every minute of it 请问the food mother cooked _____very delicious中为什么填tastes chinese food ( ) very delicious括号中为什么用is而不用are（顺便把系动词捎带说一下） ______clothes are more expensive than ______in this shop AMen's women's BMan's woman's CMan's______clothes are more expensive than ______in this shop AMen's women's BMan's woman's CMan's women's DMan' women' ______clothes are more expensive than ______in this shop AMen's women's BMan's woman's CMan's wome______clothes are more expensive than ______in this shop AMen's women's BMan's woman's CMan's women's DMan' women' 有关金属的一共3题.我国古代将炉甘石（ZnCO3）、赤铜（Cu2O）和木炭粉混合后加热到约800摄氏度,得到一种外观似金子的锌和铜的合金,试写出反应的化学方程式.某钢铁厂每天需消耗5000吨含氧 什么是金属涂镀层和化学处理层 地图是怎么画出来的? mr green is _____ father.[1 Jim ang Tom,2 Jim's ang Tom's 3Jim ang Tom's]在括号里面选择 为什么世界地图有7种颜色,中国地图和美国地图只有5种颜色他们难道不能遵循4色法吗?4着色不是能解决世界地图吗?为什么我家的世界地图用了7种?（无人区的白色除外） 而中国和美国地图分