一个半圆的周长是20.56分米这个半圆的面积

求音乐：closer to you Closer To You 歌词 我听力不好,检查发现鼓膜穿孔,现在做了修补,但听力还是有点差,怎么办? they.had.no food.or.water.保持句意不变 tthey.had.no food.or.water.保持句意不变they.food..water一个~就是一个空格 听力蛮差的 坚持练习每天3小时 不知道一个月有没有什么改善 They had no food or drink.的同义句是什么?They had no food or drink.这句话的同义句谁会啊? regret not to 后悔做...（是指还未做的事吗?） doctor词性 RECOMMENDED USE TO ASSESS YOUR TOLERANCE:翻译 英语翻译RECOMMENDED USE TO ASSESS YOUR TOLERANCE:As a dietary supplement,begin by consuming 1 scoop of N.O.-XPLODE mixed with 5-6 oz of cold water.Vary the amount of water to achieve your desired flavor and sweetness level.Wait 30 minutes to asse 虚拟村庄4 怎么开pool party?拖了小人去游泳但是成就里面总是灰的…… 09国庆晚会解说是谁2009年10月1日,国庆晚会解说是谁, They didn't tell me whether she had got well sorry,I'm not able to9 buy the coat ,for i have only two dollors__A、leaving B、to leave C、left D、leave我想知道为什么，也就是这道题的考点是什么 这是什么现象,什么原因,怎么办晚上睡觉前手机充满了电,可到第二天早上的时候却发现电量却只剩百分之十几,二十几了.只这两天这样,之前不会的,请问这是什么原来会这样,该怎么办?谢谢了! 经常头疼怎么回事啊?症状：头疼 头涨⊥155[1/2]蒽 头疼的时候 里面的青筋 好涨痛 头好重感觉好累 更可怕的是里边好像有东西在流动 知道的都说说哈 谢谢咯⊥155[2/2] 为什么我越想事越痛呢 write the word according to the meaningThe villagers had_____the well dry and could get no more water(pushed by machines)When the _____closed down ,many factory workers became laid off.(a building with machines in it) They usually collect water _____than well.最好要有解析~ 玉米的自交和杂交为何雌雄穗都必须套袋 My goal is to be rich中为什么用to be而不是being?为什么I think being happy is more important中用being? 玉米雄穗发育成玉米棒子怎么回事?雄穗顶端会长出半个棒子,但没有棒子外皮,而且还有籽粒形成,籽粒全部裸露,只不过雄穗感觉要被压断了. 英语翻译Water tight Proximity Switch 已知数列an中,a3＝2,a7=1,又数列1/an＋1是等差数列,则a11等于? 已知x,y属于R+,且满足x/3+y/4=1,则xy的最大值为 高中数学数列题一道 高手进~!~an=4n+3,bn=3^n 将数列an,bn的公共项,按照他们在原数列中的先后顺序排成一个新的数列cn,求数列cn的通向公式.希望认真回答哦 .谢谢啦 这题我认真思考了很久没什么 pool的复数是什么? heated driveway,是指的什么东东 ''just giving credit where is due'' WHAT MEANS? 玉米的作用 the___(library)is a very serious woman. My Vision Of You Is Very Perfect什么意思 英语翻译请问“took credit where it wasn't due”怎么解释.