吸热反应化学例子

Yeah .You are right .中文 yeah.Dad,you.are 我为朋友分忧 cape什么意思 为家人分忧 翻译 cape jaswine cape perpetua什么意思 blanket 马六甲王朝衰落的因素what problem melaka 我要的是马六甲王朝衰落的因素?因素啊?不是哪些马六甲王朝步向衰落的因素： 马六甲王朝在全盛时期,是个 马六甲王朝步向衰弱的原因 马六甲王朝的历史——（全部）我要全部马六甲的历史, 写出词语 扰乱；使不安宁（ ） 逐渐侵害而变写出词语 扰乱；使不安宁（ ） 逐渐侵害而变坏. 使不安宁；扰乱.写出相应的词语. The press conference ,originally due to be held last week,was finally_____because of the sudden war in the country.A.set off B.broken off C.worn offD.called off 奥巴马 held a press conference and ____the conversation with Susilo,at a state dinner____hewas served his favorite childhood dishes.A carried on ,when B carried through ,where C went on,when D carried on ,where 团员对未来五年的计划书怎么写? press conference是什么意思? press conference什么意思 He has left 2 days before.翻译是：2天之前他已经走了.还是：他已经走了两天了.为什么? 改同义句 I'll never go to bed until Iwork out the problem1.I'll never go to bed until Iwork out the problemI’ll go to bed _______ I work out the problem.2.I hope you have a good time at the partyI hope you ______ ________ at the party He was too tired to go any______.A.farB.furtherC.fartherD.farthest Alice is too tired to go on reading.(保持原句意思)=Alice is so tired that she ____ go on reading.五个字母 He was too tired to go on walking 同义句 设集合A=(1.2.3),B=(4.5.6),定义映射f:A→B,使对任意X属于A 都有X方+f(x)+x方f(x)是奇数,则这样的映射f的%设集合A=(1.2.3),B=(4.5.6),定义映射f:A→B,使对任意X属于A 都有X方+f（x）+x方f（x）是奇数,则这样 设集合A和集合B都是实数集R,映射f:A→B把集合A中的元素x映射到集合B中的元素lg(x2+6),则在映射f下象1的原象所组成的集合是 设f:x_x2是集合A集合B的映射,如果B={1,2}.则AnB=? 集合D={平面向量},定义在D上映射f,满足对任意x∈D,均有f(x)=λx(λ∈R且λ≠0）(1)若│向量a│=│向量b│,且a,b不共线,证明[f(a)-f(b)]垂直于(a+b)(2)若A(1,2)B(3,6)C(4,8),且f(向量BC)=向量AB,求f(向量AC)乘以 I don't konw what to do.=I don't konw how to do it .为什么what不能加it 呢 贝壳的用途..去了海边 捡了些贝克 放了好几天了 挺碍事的 能不能做成装饰品 什么的 有好主意一定给分. I DON`T EXPECT THAT HE`LL COME BACK BEFORE NINE O`CLOCK,A.DO I B.WILL HE C.WILL NOT HE D.DO NOT I 将 烧贝壳的广告词翻译成英文