java中集合和数组的区别

有八条活鱼分别重1.1 1.2 1.3 1.5 1.7 2.1 2.3 2.4斤.小明和小红分了其中七条鱼,小明鱼的总斤数是小红鱼的总斤数的2倍,小明分了几条鱼?哪几条? 请教老师一个句子成分the barren soil of the rokcky mountains provides few nutrients to the grass growing there.这里面的to the grass growing there 做什么成分, 设f(2x-1)=x的平方,求f(x). 设f(1+x)-f(1)=2x+X的平方,求f'(1) 已死的母熊文言文意思 on population什么意思全句为“Kangkang is reading a report on population in the newspaper. Genuine population什么意思 64,258,876怎么读可以的话打上基数词就比如45,862读作：四万五千八百六十二 小明,小红,小李三人做花.三个小朋友做花,小明和小李共做27个,小明和小红共小明,小红,小李三人做花.三个小朋友做花,小明和小李共做27个,小明和小红共做32个,小李和小红共做25个.问：3个小 小明和小李共做27朵,小明和小红共做32朵,小李和小红共做25朵,三个小朋友各做几朵? 讨论a,b的取值对一次函数y=ax+b单调性和奇偶性的影响 The new outline will throw light on students' understanding of history.Translate.Thank you!"Light on " THE ORIGIN AND GOAL OF HISTORY怎么样 DISCOURSE ON THE ORIGIN AND FOUNDATIONS OF INEQUALITY AMONG MEN怎么样 prototype stereotype区别? prototype与archetype 有什么区别意思同为原型,他们之间有何差别.分别怎么用?用在什么地方? javascript中 F.prototype=obj和F.prototype=obj.prototype有什么区别?在原型式继承中,传入的对象作为构造函数的原型,在寄生组合式继承传入的是个对象的原型,就有点搞不清楚了,可能问题描述的还不是 试讨论函数y=ax^3-x^2-x+1的单调性 为什么先把水降温,不要动它,让它进入过冷状态,然后拿起震荡下（总之另它动一下）,它就会立刻变成冰 如图9,A,B,C是圆上的3点,CD垂直于AB,垂足为点D,BE是圆O的直径,求证:角EBC=角ACD 加速?匀速?钢球在足够深的油槽中静止开始下落,若油对球的阻力正比球的速率,则球的情况是（ ） （单选题）A先加速后匀速 B加速度逐渐减小到零其实我知道B对A错 可我不知道为什么A对B错 越怪越好数学的综合题也行 how do you go to shop?英译汉 英译汉,love was burning ,how much do you have to burn .drop it or catch it as you like . 已知f(x)=2x/1-x .判断y=f(ax) (a小于0)的单调性. 若a 第1题 The island’s population initially numbered 180,but there was a gradual __________ until onlA、declination B、incline C、inclination D、decline 第2题 For such a tiny woman she had a(n)______ courage to fight against two thieves.A、inc explorers found that the island had good soil but the 200 natives living there survivedThe explorers found that the island had good soil but the 200 natives living there survived with little food.Even more 3 ,these people also lived among the ruins o I have () in the shop at twelve o,clock.可填 supper tea breakfast lunch 物理偏题怪题,范围不限,越难越好,越偏越好,越怪越好. 乌鸦是益鸟还是害鸟 乌鸦是益鸟吗?乌鸦的毛为什么不是彩色的?