中国人民解军

in recent years ,the economic development of the world has beenIn recent years,the economic development of the world has been unbalanced,with Americans ____ morethan they earn.A.spending B.to spend C.spent D.spend 为什么不选b还有为什么than 本人学习钢琴一年每天练习一个半小时左右,但是每次练琴的时候脑子老浮现一些生活当中不愉快的事情,这是为什么啊,虽然我的钢琴也在进步,但总是练琴的时候就开始想,不练琴也就不想了, 9.In recent years much more emphasis has been put ________ developing the students productive skilA.onto B.over C.in D.on More healthy food has been asked for in recent years 用Kids做主语 a number of an amount of可否同时用于可数不可数 a number of和an amount of的区别? In recent years,"Internet" has become one of the ___ words怎么填是 huasehold 三角函数解答题：已知函数f(x)=sin（x/2）cos（x/2）+√3cos²（x/2）已知函数f(x)=sin（x/2）cos（x/2）+√3cos²（x/2）（1）将f（x）写成Asin（ωx+φ）的形式,并求其图象对称中心的横坐标；（2 已知函数f(x)=sin(x+θ)+√3cos(x-θ)为奇函数,θ∈(0,π),求θ的值 三朵花代表什么意思 在四边形ABCD中,∠A＝140度,∠D＝80度,∠ABC的角平分线BE交DC于点E,且BE∥AD,试求出∠C的度数 圆柱体底面积与高()A正比例 B反比例 C不成比例 如图,在平行四边形ABCD中,角ABC,角BAD的角平分线交于点E,BE的延长线交AD于点F,且AE=3,EF=4,FD=2,求平行四边形ABCD的周长. coreldraw 12中怎么画半圆 有大小两个圆纸片小圆纸片的面积是50平方厘米大圆的直径比小圆大20%大圆面积比小圆面积大几平方厘米一定要正确的 有大小两个圆纸片,小圆纸片的面积是50平方厘米,大圆纸片的直径比小圆纸片大20%,大的面积比小的大几 大小两圆纸片,小圆片50平方厘米,大圆片直径比小圆片大20%,大圆片的面积比小圆大多少? 甲,乙,丙三数和是176.甲数除以乙数与乙数除以丙数的结果都是商5余3.乙数是( ). 甲、乙、丙三数和为255,乙除甲与丙除乙的商是5余1,问甲、乙、丙三数是多少?只能用算术，不能列方程 green is an important color开头的阅读答案 ( )the rockets coming into being,the Space Age began,( )China is sure to p;ay an important roleA.as;when B.with;at which C.with;inwhich D.as;while该题正确答案应选C,说明其他几项为什么不对, 能帮忙翻译英语文章么?谢谢 Proper arrangement of classroom space is important to encouraging inter不好意思啊。。。不知道怎么只复制了几句···是这一句打头的一篇英语阅读理解。。能帮忙翻译吗？有 was _important to build great green walls all over the world?Athis Bthat Cit Dhe选哪个 为什么并翻译解释 三朵花代表什么意思?如题 谢谢了 Mr Green m_______ her daughter to a teacher last year.这题好奇怪,能是什么呢? 补全对话.A.have you _jim these two days?B;No,he's _ t o Japan to see his daughterA.has he beenthere_＿ B,of course.he lived there before he ___hereA,have you still not _a letter from him.B .yes.i've just __a letter _himA;what___he say?B;he said 确定3^99*7^100*11^101的末尾数是多少 短文填空;Sending and reading e-mail have become one of the ____ popular daily activities around the要完整的。文章 That old man lives a____,but his daughter often comes to see him 根据哪个单词填出空 有两个圆纸片,小圆纸片的面积是50平方厘米,大圆纸片的直径比小圆纸片大百分之20.大圆纸片的面积比小圆纸片大多少平方厘米?只要算式，简单明了 the whole class took a trip （ ）mount hua last month（介词填空）will you please tie young dog ( )the table ( )a rope (介词填空)the boy is ( )180cm tall (介词填空)my school is ten minutes 's walk ( )my home（介词填空） this trai my father took the last of his work to the merchant是什么意思.took 为什么后用介词to