七年级地理上册教案

heyenga 园的标准方程是什么? 英语第47题Now that she is sick with cold,I feel I ____ have stopped her from going out in the rain.A.couldB.mightC.mustD.ought to 请语文高手帮我造造句.请分别用郝 叟 懊悔 哽 祈祷这五个词造一句话. We were at a __________ as to what to do when the gunmen suddenly broke into our house.A.breatheB.troubleC.lossD.distance 语文造句怎么造当……时候……不禁……站……踏……扶……自然地想起…… 英语选择题47.49.50 语文造句怎么造啊?用：抹 攥 逮 怦怦 树杈 寒战 6个词语当中选3个造一句话. 已知F1,F2为椭圆的焦点,P为椭圆上的任意一点,椭圆的离心率为1/3,以P为圆心,PF2长为半径做圆P,当圆P与x轴相切时,截y轴所得的弦长为(12根号55)/9（1）求圆P的方程和椭圆方程（2）求证：无论点P 设F1,F2分别为椭圆C：X^2/A^2+Y^2/B^2=1(A>B>0)的左右焦点（1）设椭圆C上的点（根号3,根号3/2）到F1F2距离和为4,求椭圆方程（2）设K是题（1）中的动点求线段KF1中点B轨迹方程（3）设P是椭圆任意一点 求过点A (1,3／2),两焦点(-1,0)、(1,0)的椭圆方程 已知椭圆x^2/a^2+y^2/b^2=1(a>b>0)的长轴长为4,且点（1,跟号3/2）在椭圆上,求椭圆方程!急 第五题, 用圆能画成什么图画 已知函数f(x)=loga(3-ax) (1)求函数f(x)的定义域 (2)已知函数f(x)=(2已知函数f(x)=loga(3-ax) 求函数f(x)的定义域 )若函数f（x）在[2,6]上递增,并且最小值为loga（7/9a）,求实数a的值. 画图怎么画圆形 已知函数f(x)=loga(ax-1),求f(x)的定义域,以及他的单调性 绘图中圆怎么画 函数f(x)=loga(ax-1),(0 1、The building____I used to work has 50 floors.A.that B.which C.where D.when2.What was that notice _____?A.at that you were looking B.you were looking atC.you were looking at it D.which you were looking3.Wendy is the only one ___spoke up at the mee 请帮忙啊!{30}分英语题1.the student doesn't work___he used to.A.so hard as B.so harder than C. as harder as D. as hard like答案选A 为什么?为什么不选 C ?2.--Could you have been more careful? --Why,what wrong__I__?A.did; do 301.There is a park on the other side of the street.（改为同义句）______ _______the street is a park.2.Lucy sits on Susan’s left and George’s right.（改为同义句）Lucy sits_____Susan______George.3.翻译请问,你的右边是什么?E It's a pleasure My pleasure with pleasure的区别 It's my pleasure.与With pleasure.的区别在有人问Could you please help me ...做什么事的时候,我们应说With pleasure. 还是 It's my pleasure.提供帮助后人家感谢你时是用上面的哪一个?这两句话有区别吗? It's pleasure 和My pleasure 和With pleasure 分别是什么意思?分别怎么用?应该是It's a pleasure It's my pleasure 与 With pleasure 用法上有哪些不同 It's my pleasure与With pleasure的区别是什么? there is a children in thispicture.这句话错在哪里? 省略亿后面的尾数,改写为用亿做单位的数,求次数的近似值(以亿做单位) 有什么区别?例如,650000000省略亿后面的尾数是多少?650000000改写为用亿做单位的数是多少?650000000的近似值（以亿做单位 he bin,72 grove avenue,pinner middlesex ,uk怎么翻译? 英国的一个地址：The Quays,101-105 Oxford Road,Uxbridge,Middlesex UB8 1LZ,求中文译文 英语翻译You just don't want anything in your life that won't let you do whatever the hell you want to do whenever the hell you want to do it.谁能翻译得好一点,因为我实在理不清思路啊……