launch+an+assault

缪莫爱2528as+不可数名词复数+as sb can造句 -
詹庞净18980343444 ______ as+不可数名词复数+as sb can 第一个as后面不接名词,应该接副词或形容词. 不可数名词没有复数的. 可以说 He tries to earn as much money as he can. 他尽力挣更多的钱.

缪莫爱2528return - to - launch - site abort 如何理解 -
詹庞净18980343444 ______ 这两个都是航天用语 首先是abort的意思,Aborts Selection of an ascent abort mode may become necessary if there is a failure that affects vehicle performance, such as the failure of a Space Shuttle main engine or an orbital maneuvering system. ...

缪莫爱2528已知a1=2,n a(n+1)=(n+1)an+n(n+1) 求an -
詹庞净18980343444 ______ 由题意得:[a(n+1)]/(n+1)=(an)/n+1所以,{(an)/n}是公差d=1,首...

缪莫爱2528怎样推出等差数列项的个数的奇偶性质:若共有2n项,S2n=n(an+a(n+1));S偶/S奇=a(n+1)/an; -
詹庞净18980343444 ______ {an}等差数列 要用等差数列前n项和公式以及角标和性质 若共有2n项, S2n=2n[a1+a(2n)]/2 ∵1+2n=n+(n+1) ∴a1+a(2n)=an+a(n+1) ∴S2n=n(an+a(n+1)); ∵S偶=[a2+a(2n)]*n/2, S奇=[a1+a(2n-1)]*n/2 a2+a(2n)=2a(n+1) a1+a(2n-1)=2an ∴S...

缪莫爱2528AS +adj(原级)+AS,请问AS 的用法???a -
詹庞净18980343444 ______ 是啊^CAREFULLY是副词原级啊 AS CAREFULLY AS YOU CAN! 就是说＂尽量仔细些＂ CAREFUL是形容词(ADJ) CAREFULLY是副词(ADV)用来修饰动词 因为WHRITE YOUR ENGLISH是一个动作 所以要用副词原级! 绝对正确,你大可放心拉

缪莫爱2528用as+adj.+a/an+n.+as结构造句并翻译 -
詹庞净18980343444 ______ I have as pretty a skirt as you do.(我有一条与你的裙子一样漂亮的裙子.)

缪莫爱2528the+moment和 as+soon+as+的区别 -
詹庞净18980343444 ______ 意思上区别不是很大 as soon as连词,后面跟句子 The radio spread the news as soon as it happened. 这一事件一发生,收音机就把它传播出去了. the moment是个名词,也可以当连词用,因此也叫连词化名词.后面跟句子,例如: I want to see her the moment she arrives. 她一到我就要见她. The moment I get to the stop, the bus leave. 我一到公共汽车站汽车就开了.

缪莫爱2528so+a/an+形容词+主语 -
詹庞净18980343444 ______ 不是,是such + a/an +形容词+主语 a/ an + so+形容词+主语

缪莫爱2528数列〔An〕的通项An=33 - 2n,证明〔An〕是等差数列 从第几项开始,能够使前n项的和Sn小于或等于零 求[A1]+[A2]+[A3]+…+[A30] -
詹庞净18980343444 ______[答案] An-An-1=33-2n-(33-2(n-1))=-2 因为相邻两项的差为定值,所以{An}为等差数列 Sn=(33-2+33-2n)*n/2 =(32-n)*n Sn

缪莫爱2528主语+be+a/an+adj+n 的句型 -
詹庞净18980343444 ______ He is a handsome boy.