here+they+are+的意思

苏舍和1309等差数列的公式是什么 -
孟乳费13992727138 ______ 差数列公式 等差数列公式an=a1+(n-1)d 前n项和公式为:存在am+an=ap+aq 若m+n=2p则;2 若m+n=p+q则;2 公差d=(an-a1)÷(n-1) 项数=(末项-首项)÷公差+1 数列为奇数项时;2 Sn=(a1+an)n/,求首尾项相加:Sn=na1+n(n-1)d/,前n项的和=中间项*项数 数列为偶数项:am+an=2ap 以上n均为正整数 文字翻译 第n项的值an=首项+(项数-1)*公差 前n项的和Sn=首项*n+项数(项数-1)公差/

苏舍和1309写出下列划线字母或组合的发音:1.bag (a)2.school(ch) 3.thank (th)4. they (ey)5.kite (i) -
孟乳费13992727138 ______ 1.bag (a)[æ]2.school(ch)[k] 3.thank (th)[θ] 4. they (ey)[eɪ] 5.kite (i)[aɪ] 6.pen(e)[e] 7.coat (oa)[əʊ] 8.their(th)[ð] 9. father( er) [ə(r)] 10.hard (ar)[ɑ:] 11.yellow (ow)[əʊ] 12.house (ou)[aʊ] 13.class (ass)[ɑ:s] 14.box(o)[ɒ] 15.how (ow)[aʊ] 16.warm ...

苏舍和1309IdonnotargueandIhaveneverbeeninafighteither改为半倒装? -
孟乳费13992727138 ______ I do not argue and never have I been in a fight.

苏舍和1309they built a hotel here last year变为被动语态 -
孟乳费13992727138 ______ 答案:A hotel was built by them here last year.解析: 1.被动语态的谓语结构是:助动词be+及物动词的过去分词done. 2.主动语态改为被动语态的方法是:主+谓+宾------宾+谓+主(宾+谓be done+by主 ) 3.时态的变化在助动词be上.be的五种基本时态形式如下: (1)一般现在时am/is/are (2)一般过去时was/were (3)一般将来时will/shall be (4)现在进行时am/is/are+being (5)现在完成时have/has+been 他们后面加过去分词就可以了.

苏舍和1309请问英语有哪些时态?这些时态怎么用?请举例说明 -
孟乳费13992727138 ______ 英语的时态 1 一般现在时 I often watch TV . 2 一般过去时 I watched TV just now . 3 现在进行时 I am watching TV. 4 过去进行时 I was watching TV when you cam...

苏舍和1309they . ne ar , their . phone怎样写成句子 -
孟乳费13992727138 ______ they are near their phones.为你解答,如有帮助请采纳, 如对本题有疑问可追问,谢谢.

苏舍和1309They will be arriving here tomorrow. -
孟乳费13992727138 ______ NO 原句生动 they are arriving here tomorrow 不够动态

苏舍和1309设扇形的周长为8厘米,面积为4平方厘米,求扇形的圆心角的弧度数 -
孟乳费13992727138 ______ 设圆心角a,圆半径R 则:扇形的周长=aR+2R=8 aR=8-2R 面积=(1/2)aR^2=(1/2)aR*R=(1/2)(8-2R)R=4R-R^2 所以:4R-R^2=4 R=2 a=(8-2R)/R=2 圆心角的弧度数=2

苏舍和1309请帮忙翻译下面的小诗和对话,谢谢!WhoamI?Myearsar
孟乳费13992727138 ______ Who am I? 我是谁 My ears are big. 我的耳朵大 My nose is long. 我的鼻子长 My ... 腿也这么长 What do they eat? 它们平时吃什么啊 They eat leaves. 它们吃叶子 e is ...