鸟巢的占地面积约为20公顷,5个鸟巢的占地面积约为约为1平方千米.___(判断对错)
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笨笨毛毛 共回答了21个问题
|采纳率95.2%- 解题思路:就是求5个20公顷是多少公顷,用乘法计算.
20×5=100公顷,
1平方千米=100公顷,
所以5个鸟巢的占地面积约为约为1平方千米;
故答案为:√.点评:
本题考点: 整数的乘法及应用
考点点评: 解决此题关键是先求出5个鸟巢的占地面积是多少,再把公顷数换算成平方千米,进而判断. - 1年前
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谁能给我全文?
我昨天才知道QQ是什么意思呢!
我要的是一篇关于鸟巢的说明文,开头是“鸟巢”是国家体育场的形象称呼,是2008年北京奥运会主体育场.它坐落在北京奥林匹克公园中央区平缓的坡地上……”是我的考卷上的一篇阅读文章,我只知道这文章的一半,现在我想知道全文,不是找鸟巢的资料!78_99991年前1
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我是小强小而强大 共回答了15个问题
|采纳率93.3%发给你的那个是不是?我也在卷子上看到过啊!1年前查看全部
- 奥运会期间在 鸟巢 与 水立方 的志愿者人数比为8;7,如果从鸟巢调出1/4的志愿者到水立方,那么 鸟巢 将比 水立方
奥运会期间在 鸟巢 与 水立方 的志愿者人数比为8;7,如果从鸟巢调出1/4的志愿者到水立方,那么 鸟巢 将比 水立方 少150名志愿者.两个比赛场馆原来各有多少名志愿者?
有一个装有水的长方体容器,长60cm,宽15cm,放入一个长40cm宽15cm的长方体铁块后,容器中的水面上升了4cm.这个铁块的高是多少厘米?心融化1年前4
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jonnyhe 共回答了16个问题
|采纳率87.5%1,8:7 调整后6:9=2:3
150*(3+2)=750 750÷(8+7)=50 50*8=400 50*7=350
2,60*15=900 900*4=3600 3600÷(40*15)=61年前查看全部
- 举世瞩目的第29届奥运会于2008年8月8日在北京“鸟巢”体育馆开幕,奥运会吉祥物“福娃”活泼可爱,如图是福娃在几个项目
举世瞩目的第29届奥运会于2008年8月8日在北京“鸟巢”体育馆开幕,奥运会吉祥物“福娃”活泼可爱,如图是福娃在几个项目中的运动形象,下列几种说法正确的是( )
A.用力踢足球,足球会飞出去,说明力能使物体运动状态发生改变
B.投篮球时,篮球脱手后地球对篮球有力的作用,篮球对地球没有力的作用,所以篮球落到地上
C.击出的羽毛球能在空中继续飞行,是由于羽毛球具有向前的冲力
D.用桨向后划水时皮划艇会向前进,这是由于力的作用是相互的点点凡星1年前1
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tcm00686 共回答了18个问题
|采纳率94.4%A、用力踢足球时,由于人对足球施加的力,使物体的运动状态发生了改变;故A正确;
B、重力在任何情况下都存在,故B错误;
C、羽毛球在空中飞行时,是由于本身的惯性保持了原来的速度,不是因为具有向前的冲力;故C错误;
D、力的作用是相互的,故桨对水有力时,水对桨也会产生力的作用,从而推动皮划艇前进;故D正确;
故选:AD.1年前查看全部
- 在“2008北京”奥运会国家体育场的“鸟巢”钢结构工程施工建设中,首次使用了我国科研人员自主研制的强度为4.6×108帕
在“2008北京”奥运会国家体育场的“鸟巢”钢结构工程施工建设中,首次使用了我国科研人员自主研制的强度为4.6×108帕的钢材,那么4.6×108的原数为( )
A. 4 600 000
B. 46 000 000
C. 460 000 000
D. 4 600 000 000aa追逐南风1年前2
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Aceagle409 共回答了13个问题
|采纳率92.3%解题思路:可以把4.6的小数点向右移动8位.4.6×108=460 000 000.
故选:C.点评:
本题考点: 科学记数法—原数.
考点点评: 用科学记数法表示的数还原成原数时,n>0时,n是几,小数点就向右移几位.1年前查看全部
- 低枝鸟巢的古文及翻译
蓝色的马蹄莲1年前1
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hzhihan 共回答了26个问题
|采纳率84.6%原文:
少时所居书堂前,有竹柏杂花,丛生满庭,众鸟巢其上。武阳君恶杀生,儿童仆牌皆不得捕取鸟雀。数年间,皆巢于低忮,其蔻可俯而窥之。又有桐花凤,四五月翔集其间。此鸟羽毛至为珍异难见,而能驯扰,殊不畏人。宫里面见之,以为异事。此无他,不技之诚,信于异类也。有野老言:鸟雀巢去人太远,则其子有蛇、鼠、狐狸、鸱鸢之忧;人既不杀,则自近人者,欲免此患也。由是观之,异时鸟雀巢不敢近人者,以人为甚于蛇鼠...1年前查看全部
- 鸟巢应用了什么物理知识
鱼网当衣1年前1
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一坨牛粪养鲜花 共回答了20个问题
|采纳率85%力的平衡,(含力偶平衡)不垮塌需要力的平衡计算.
热胀冷缩,考虑冬夏变形的影响.
装饰灯应该与光学有关.
电力系统与电学有关.
音响系统与声学有关.1年前查看全部
- 又见鸟巢 阅读1 文中有一个很典型的承上启下的段落,请找出来.2 品味下句子中的加点词语. 春去冬来,叶生叶落,似乎平常
又见鸟巢 阅读
1 文中有一个很典型的承上启下的段落,请找出来.
2 品味下句子中的加点词语.
春去冬来,叶生叶落,似乎平常.
3 我回忆的一些内容是采用插叙的顺序,这样安排有什么作用?
“似乎”加点.蔷薇恋1年前1
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captain54 共回答了23个问题
|采纳率91.3%2.“似乎”表示不确定,有意引出下文.
3.使文章脉络清晰,结构紧凑.1年前查看全部
- 英语翻译 1.你能看见什么?我能看见一个梯子和一个鸟巢.2.让我们把瓶子里装满果汁.3.请关上灯.
英语翻译 1.你能看见什么?我能看见一个梯子和一个鸟巢.2.让我们把瓶子里装满果汁.3.请关上灯.
一定要对最爱卓玛拉措1年前7
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大娃回家 共回答了17个问题
|采纳率94.1%1 What can you see?I can see a ladder and a bird-nest.
2 Let's fill the bottle with juice.
3 please turn off the light.1年前查看全部
- 改为设问句他这次去北京是去参观国家体育场——鸟巢
590939241年前1
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特基拉日出 共回答了21个问题
|采纳率95.2%设问句就是为了引起别人注意,自问自答.
原句中破折号后面为强调内容
所以,原句应该为
他这次去北京参观哪个国家体育场?鸟巢.1年前查看全部
- 下题中“巢”字的解释则二鸟巢于其枝干之间
亚当9夏1年前2
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金失 共回答了14个问题
|采纳率92.9%这个巢是筑巢的意思.1年前查看全部
- 杜鹃鸟几月产卵?就是把卵下在别的鸟巢里,不是说1年2次么?是几月份?
沙场秋点兵1年前1
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鑫途有你 共回答了11个问题
|采纳率72.7%您好,您的问题无人可以回答出来准确的答案,因为这个就像别的动物一样谁生育还有时间规定的啊?不过杜鹃鸟一般在春夏两季产卵频率高点~1年前查看全部
- 有一个鸟巢的模型和一块奖牌,你会利用密度的只是来鉴别它们分别是用什么金属做的
xiximi870071年前2
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shb520jy 共回答了19个问题
|采纳率94.7%1 称出质量m
2 放在水中,运用排水法测出体积v
3 根据公式密度=m/v求出1年前查看全部
- 国家体育场——鸟巢设有观众席数是南京奥体中心主体育场的1.5倍,比南京奥体中心主体育场多3万个观众席.鸟巢和南京奥体中心
国家体育场——鸟巢设有观众席数是南京奥体中心主体育场的1.5倍,比南京奥体中心主体育场多3万个观众席.鸟巢和南京奥体中心主体育场各有多少万个观众席?
yjha1年前2
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dazhongqingren 共回答了23个问题
|采纳率87%设鸟巢观众席位X,则南京奥体中心观众席为1.5X
1.5X-X=3
X=6万
1.5X=9万1年前查看全部
- 一群小朋友去看鸟巢.从头往后数小明在小红的前面,小红前面有30人,小明后面有26人,
一群小朋友去看鸟巢.从头往后数小明在小红的前面,小红前面有30人,小明后面有26人,
小明和小红之间有11人,这队小朋友一共有()人上帝的假牙_11年前2
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jinni123520 共回答了17个问题
|采纳率88.2%错,30+26已包含了小明和小红,-11后不需要+2,共有45人.1年前查看全部
- 修改病句:在“鸟巢”的体育场的设计和建造上,充分体现出人类的非凡的智慧
伤俘的天空1年前4
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扬晨 共回答了23个问题
|采纳率100%“鸟巢”的体育场的设计和建造,充分体现出人类的非凡的智慧
在“鸟巢”的体育场的设计和建造上,充分体现了人类的非凡的智慧1年前查看全部
- 明天我将带领我父母参观鸟巢用英语怎么说
给我一刀11年前4
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yanpin001 共回答了16个问题
|采纳率93.8%Tomorrow I will lead my parents to visit the nest1年前查看全部
- 为什么鸟巢译成bird's nest
为什么鸟巢译成bird's nest
难道 苹果树 要译成 apple's tree
我个人认为 应该是 bird nest花花狐狸变成狼1年前1
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lcscamel 共回答了18个问题
|采纳率83.3%金山词霸上可以查到两个答案:bird nest 和bird's nest.但是,本人认为bird nest比较妥当,正如你所举的例子“苹果树”.我儿子的课本上也写作“bird's nest”,我当时看到也觉得不妥.1年前查看全部
- 鸟巢里的坐席数由原来的10万个减少百分之9,这样使鸟巢的用钢量减少百分之22,只用了4.2万吨钢
鸟巢里的坐席数由原来的10万个减少百分之9,这样使鸟巢的用钢量减少百分之22,只用了4.2万吨钢
(1)鸟巢内实际修建了多少万个座位?
(2)按原方案修建鸟巢,大约要用几万吨钢?(结果保留一位小数)大漠走单车1年前1
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飘雪漫舞5 共回答了24个问题
|采纳率91.7%鸟巢里的坐席数由原来的10万个减少百分之9,这样使鸟巢的用钢量减少百分之22,只用了4.2万吨钢
(1)鸟巢内实际修建了多少万个座位?
10*(1-9%)
=10*91%
=9.1万个
(2)按原方案修建鸟巢,大约要用几万吨钢?(结果保留一位小数)
4.2/(1-22%)
=4.2/78%
=5.4万吨1年前查看全部
- 这两个句子哪个词语使用不当A.“鸟巢”里垃圾如山,实在令人叹为观止!(叹为观止)B.这个修女救助孤儿、失学儿童,这种悲天
这两个句子哪个词语使用不当
A.“鸟巢”里垃圾如山,实在令人叹为观止!(叹为观止)
B.这个修女救助孤儿、失学儿童,这种悲天悯人的精神令人敬佩.
二选一- -天花乱坠2311年前9
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54854 共回答了22个问题
|采纳率72.7%叹为观止用错了
语义有问题.叹为观止是形容看到美好的景物等惊讶到说不出话的样子1年前查看全部
- 钢铁是重要的金属材料,在生产、生活中有广泛的用途.建造北京奥运会主体育场“鸟巢”,就是用了大量的钢铁.
钢铁是重要的金属材料,在生产、生活中有广泛的用途.建造北京奥运会主体育场“鸟巢”,就是用了大量的钢铁.
(1)钢铁属于 _________ (填“纯净物”或“混合物”);
(2)每年世界上钢铁的产量很高,钢铁的锈蚀也给人类带来了巨大的损失.铁在空气中锈蚀,实际上是铁跟空气中的 _________ 和 _________ 共同作用的结果;
(3)为了防止钢铁锈蚀,人们常采用在其表面涂刷矿物油或镀上其他金属等覆盖保护膜的方法.这些方法都能防止锈蚀的共同原理是 _________ ;
(4)金属矿物的储量有限,而且不能再生;目前世界上已有50%以上的废钢铁得到回收利用,其目的是 _________ (填“合理开采矿物”或“节约金属资源”).pdongh1年前1
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默忘菲雪 共回答了15个问题
|采纳率93.3%(1)混合物.
(2)水;氧气.
(3)与空气隔绝.
(4)节约金属资源.1年前查看全部
- 戴名世的《鸟说》中的加点字解释 1即而视之(即):2则二鸟巢于其枝干之间(巢):3雏且出矣(且):4辄息于屋上(辄)还有
戴名世的《鸟说》中的加点字解释
1即而视之(即):
2则二鸟巢于其枝干之间(巢):
3雏且出矣(且):
4辄息于屋上(辄)
还有一个问题:
这篇文章通过两只鸟最终被捉的悲惨结局,告诉人们一个什么道理?guojun19761年前1
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dltruck 共回答了19个问题
|采纳率84.2%1即:就
2巢:名作动,做巢
3且:将要
4辄:便,就
[道理]
这篇文章选自《南山集》.作者借鸟喻人,发出感慨,意图在于揭露封建社会使人无法生存的残酷现实.认为有识之士应该选择适合自己的处所去发展,免得“托身非所,见辱于人奴以死”.1年前查看全部
- (2009•上城区一模)在2008年北京奥运会国家体育场的“鸟巢”钢结构工程施工建设中,首次使用了我国科研人员自主研制的
(2009•上城区一模)在2008年北京奥运会国家体育场的“鸟巢”钢结构工程施工建设中,首次使用了我国科研人员自主研制的强度为4.58亿帕的钢材.4.58亿帕用科学记数法表示为( )帕.
A.4.58×106
B.4.58×107
C.4.58×108
D.4.58×109蓝色未央1年前1
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怎么可能呢不会吧 共回答了20个问题
|采纳率90%解题思路:科学记数法的表示形式为a×10n的形式,其中1≤|a|<10,n为整数.
确定n的值时,要看把原数变成a时,小数点移动了多少位,n的绝对值与小数点移动的位数相同.
当原数绝对值大于10时,n是正数;当原数的绝对值小于1时,n是负数.把4.58亿帕转化成科学记数法的表示形式为4.58×108帕.故本题选C.
点评:
本题考点: 科学记数法—表示较大的数.
考点点评: 本题考查用科学记数法表示较大的数.科学记数法在实际生活中有着广泛的应用,给我们记数带来方便,考查科学记数法就是考查我们应用数学的能力.1年前查看全部
- 如图,在2008年8月16日,牙买加选手尤塞恩-博尔特在国家体育场“鸟巢”进行的北京奥运会男子100米决赛中以9秒69的
nouchao11年前1
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peachhill 共回答了16个问题
|采纳率93.8%解题思路:通过在160秒时间内,照片上模糊部分的宽度是△L即为发生的位移,从而由位移与时间的比值来确定冲刺速度.从照片可得,胸前号码布上模糊部分的宽度是△L
照片后测得照片中人高度为h,博尔特的高度为H,所以冲刺时
1
60]秒内的位移是
H
h△L.
再由位移与时间的比值可得冲刺速度为
60H
h△L
故答案为:
H
h△L,
60H
h△L.点评:
本题考点: 匀速直线运动及其公式、图像.
考点点评: 由于时间之短,则可由平均速度来表示瞬时速度.同时可由模糊部分,也可说成影子来确定曝光时间内的位移.1年前查看全部
- 我去北京观了故宫,颐和园,天坛,鸟巢和水立方等名胜古迹.修改病句
Algeryang1年前1
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青山外清城下 共回答了22个问题
|采纳率90.9%病因:归类不当(“鸟巢”和“水立方”不属于名胜古迹,应该属于现代工程)故,应改为:我去北京参观了故宫、颐和园和天坛等名胜古迹。
如有疑问请继续追问,望采纳,谢谢,您的采纳就是我的力量!1年前查看全部
- (2013•中宁县模拟)2008年北京奥运会主场“鸟巢”的建筑面积是二十五万八千平方米,这个数写作______平方米,写
(2013•中宁县模拟)2008年北京奥运会主场“鸟巢”的建筑面积是二十五万八千平方米,这个数写作______平方米,写成用“万”作单位的近似数是______万平方米.
y2k10251年前1
-
sukip 共回答了18个问题
|采纳率83.3%解题思路:这是一个六位数,最高位十万位上是2,万位上是5,千位上是8,写这个数时,从高位到低位,一级一级地写,哪一个数位上一个单位也没有,就在那个数位上写0;写成用“万”作单位的近似数就是省略“万”后面的尾数求它的近似数,要把万位的下一位千位上的数进行四舍五入,再在数的后面带上“万”字.二十五万八千写作:258000;
258000≈26万;
故答案为:258000,26.点评:
本题考点: 整数的读法和写法;整数的改写和近似数.
考点点评: 本题主要考查整数的写法、改写和求近似数,注意改写和求近似数时要带计数单位.1年前查看全部
- 给下面这段话中译英内容:因为我很想看看那气派无比的鸟巢和水立方,接着用一天的时间去参观恢弘的故宫,然后再去北京一些有名的
给下面这段话中译英
内容:因为我很想看看那气派无比的鸟巢和水立方,接着用一天的时间去参观恢弘的故宫,然后再去北京一些有名的地方游玩,最后在第三天下午回家.
我还准备在暑假里做一些公益事业,比如清扫一下小区路面等等,我会觉得非常开心.
我还有许多快乐计划,总之我有一个快乐的暑假georgelin11年前3
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ktlj32871 共回答了11个问题
|采纳率100%Because I want to look at the incomparable style of nest and water cube, and then one day to visit the impressive National Palace Museum, Beijing and then go play some well-known places, and finally back home in the afternoon of the third day.
I am also ready to do something in the summer in public welfare undertakings, such as some cell surface cleaning, etc., I will feel very happy.
I have many happy scheme, in short I have a happy summer vacation1年前查看全部
- 北京奥运会体育场“鸟巢”,它的主义建筑长330米,宽220米,高69.2米,建筑面积25万平方米.若用1:5000的
北京奥运会体育场“鸟巢”,它的主义建筑长330米,宽220米,高69.2米,建筑面积25万平方米.若用1:5000的
北京奥运会体育场“鸟巢”,它的主建筑长330米,宽220米,高69.2米,建筑面积25万平方米.若用1:5000的比例尺画在纸上,长画多少厘米,宽画多少厘米?太坏1年前1
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anglepeople 共回答了18个问题
|采纳率88.9%用上述尺寸除5000啊1年前查看全部
- 下面各句中没有语病的是A.《时代》周刊评选出2007年全世界100个最具影响力的设计项目,其中,北京奥运场馆“鸟巢”夺得
下面各句中没有语病的是
A.《时代》周刊评选出2007年全世界100个最具影响力的设计项目,其中,北京奥运场馆“鸟巢”夺得建筑类最具影响力设计项目的桂冠
B.鹰在天空飞翔着,唱出了短促而悠长的歌声,我凝望着鹰,想从它如同信号的歌声中听出珍贵的消息来
C.2008年特大的我国南方罕见的冰灾雪灾,让我们记住了唐山13位普通农民自费救灾的慷慨豪情,也让我们在这种可歌可泣的英雄义举中感受到了寒冬里特殊的温暖sweetswe1年前3
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历史中的蛀牙 共回答了17个问题
|采纳率94.1%A对
B短促而悠长 意思相反
C特大的我国南方罕见的 修饰语顺序不对1年前查看全部
大家在问
- 1伊索寓言大部份是?《伊索寓言》大部分是________,少部分以神或人为主人公,往往简介客观的叙述一个故事,最后____
- 2国外有人将野外小溪、瀑布、小河流水、鸟鸣等声音录下来,复制出录音带,高价在城里出售,卖“声音”卖出了财路。录制的声音之所
- 3如何算水平距离?一个小球以35米每秒的速度沿着和地面成42°角的方向被抛出 求小球落地后水平距离有多远?不是先算垂直的最
- 4如图,在四边形ABCD中,AC与BD相交于点E,已知S△ABC=12,S△CBD=8,求AE/EC的值.
- 5填一填。亲们求帮助!!1.填词语,把句子补充完整,使它读起来合乎逻辑。 语文使人渊博,数学使人周密,音乐使人( ),美术
- 6(1)2分之一+4分之一+8分之一+32分之一+64分之一等于多少?(用简便方法做,(2) -0.5+四分之
- 7当水变成冰时,它的比热容的变化是?
- 8鱼肋骨经过煅烧后,剩余下的是( ),此实验证明骨中含有( ),它与骨的( )有关,这个你知道吗
- 9The goods were handed over to the forwarder by the airline c
- 10某几个整数共有因子中最大的一个?
- 11已知偶函数f(x)在区间[0,+无穷大]上是单调递增的,则f(2x-1)
- 121.每根钢管重10分之3吨,5根这样的钢管共重( )吨
- 13a2+b2>c2是什么三角形
- 14某生物小组的同学在探究“水分进入植物体内的途径”后,得出了如下结论,你认为不正确的是(C )A.根尖吸水的主要部位是成熟
- 15下列有关细胞膜的叙述,不正确的是( )