氯化钠和盐的区别

如图,长方形桌面长4m 宽2m,一块长方形台布的面积是长方形桌面长4m 宽2m,一块长方形台布的面积是桌面面积的3倍.问长和宽各是多少?、（必须要有过程必须要有过程 ） She needs a lot of thiings this week(变为否定句） She has a lot of work to do this week.(改为一般疑问句） we need a lot of things this week.（变为否定句） 1、she has a lot of work to do this week.(改为一般疑问句)2.we have a big tv set in our house.(改为否定句)3 we have some nice Pictures.(主语改为he)4.my parents have _ five__good friends.(就划线部分(five)提问) 妈妈买了一堆苹果放进一些篮子里,如果每篮放12个,则多出3个苹果放不下；如果每篮放13个,就缺四个.这对苹果有多少个? 1.She sends three emails this week.(对three提问) ( )( )emails( )she send this week?2.I usually listen to music on my computer.(对listen to music提问)( )( )( )you usually( )on your computer?3.He often makes work plans on the Interner.(改为一 妈妈买来30个苹果,让小明把苹果放入篮子中.不许一次拿完,也不许一个一个拿,要每次拿的个数相同,拿到拿到最后正好一个不剩。小明有几种拿法？每种拿法每次各拿几个？（求回答，并讲解 一张正方形的桌子桌面的边长是70厘米,要配上一块与桌面同样大的玻璃,这块玻璃的面积多少 有一个正方形桌面的边长是10分米,要给它配一块与桌面同样大的玻璃,玻璃面积有多大? 有一张方桌,桌面的边长是8分米.要配上一块与桌面同样大的玻璃,这块玻璃的面积应该是多少? 有一张方桌,桌子的边长是9dm,要配上与桌面同样大的玻璃,这块玻璃的面积是多少? ------Are you going to the party__ at Smith's home this evening?------I will if I am free1.holding2.held3.to held4.to be heldholding,held 在句中都是非谓语动词来修饰party的,但也可以用被动语态.那么如何判断,如何选? 1.Mary ____(she)is going to take a walk by the river this evening.2.Millie saw a girl___(stand) in front of the classroom just now3.That is why noise is______(pass by or all around )you in the centre of the city Mary ___(she) is going to take a walk by the river this evening .7.—Andy isn’t going out this evening,is she?—_______.She has to stay at home to look after her sick mother.A.Yes,she is\x05B.No,she isn’tC.Yes,she isn’t\x05D.No,she is是不是选B, —Andy isn’t going out this evening,is she?怎么回答? 一、思路训练：（1）如果一只小兔的重量相当于一只小狗的12 ,那么3只小狗的重量相当于（ ）小兔的重量；一、思路训练：（1）如果一只小兔的重量相当于一只小狗的12 ,那么3只小狗的重量 王阿姨买了60个水果,桃子占水果总数的1/3,苹果的个数的1/2少2个,苹果有多少个?【急需,速来啊啊啊\\》~《//] 把she likes this dress变为否定句 做题 鸡和狗的重量比是1:4,如果4只狗和3只鸡的重量是38千克,一只鸡的重量是多多少千克 5只鸡的重量是3只狗的重量,16只鸡的重量是3只猪的重量,5只猪是几只狗的重量? 一个盒子里同样大小的红球10个,白球8个至少要摸几个才能保证4个球颜色相同.并列出算式 She teaches English in Shanghai 改为一般疑问句 It doesn't look like rain,does it?有几种回答? She likes this kind of movie (改为复数形式） This kind of paper_____soft.She likes to use it.A.feels B.is felt C.felt D.is to feel this kind of job ____she likes making friends with strangersA,suits me fine B,suits her fine C,fits me well D,fit her fine拜托说明原因,在线等,好的追加分数!错了错了,B项是well,不是fine,如果是fine,我也知道是选B,错了 she kind of likes Paul. 水果超市以每千克2.8元的价格购回一批苹果经过挑选，把这批苹果分成了甲乙两等，甲乙两等的重量比是5:3，乙等只能以2:5的价格出售，超市要想获得25%的利润，甲等苹果每千克应卖多少元 一个长方体纸盒,长是15厘米,宽是10厘米,高是8厘米,它的底面积是? 做一个长方体的纸盒,纸盒的长是25厘米,宽是10厘米,高是8厘米,做这个纸盒至少需要多少平方分米的硬纸板?