语文五年级上册第8课富饶的海洋第4题作文怎么写
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语文五年级上册第8课富饶的海洋第4题作文怎么写
语文五年级上册第8课富饶的海洋第4题作文怎么写
语文五年级上册第8课富饶的海洋第4题作文怎么写
随着科技的进步和时代的发展,一个开发海洋的新时代己经来临.在开发海洋中,人们更有效地从海洋中取得更多财富.许多国家已经建立了海底田园和海底牧场,人们正在从过去单纯的海洋捕捞时代,逐渐过渡到“耕海”时代.人们在海底田园和海底牧场中,比在陆地上的农牧场中工作得更出色、更有效,因为同面积的单位产量,海洋养殖的产量要比陆地种植高出100倍.人们将大量养殖海藻和海草等,供应陆地上的牛、猪、羊等作饲料,从而获得更多的蛋白质.世界海底田园的总产量从2000万吨跃增到5000万吨,大量的海藻、海草等也将由水下联合收割机来割取.不仅如此,人们还建造了“海底城市”.日本一群工程师、建筑师,在离东京120千米的海域上,建设世界首座“海洋城”.海洋城内除了住宅区外,还有1个商业中心,400个网球场,8个高尔夫球场,2个棒球场,1个栽种水果蔬菜的人工田,还有纵横相连的道路.此时,深邃的海底不再沉默,将会跟大陆一样,变得热闹非凡.
越来越多的人将去发掘海洋、建设海洋,用自己的智慧和双手去描绘这张硕大无比的宏伟蓝图.海洋的未来向人们展示了辉煌的前景,广袤的海洋将给人类作出巨大的奉献.
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参加哈储备金蛤蟆不错就好Z版参加哈说不出机会是个聪明哈说不出就哈市不插手不插手补偿金时不查不参加哈不错产vnmcmnzbcmabcmbmbcbxcmnabcasbmcabskjcbasjcabscbamnbcmnbcbb下次拿不出那么BMC你本命年从表面撒办法才没那说不出门那边擦汗才能不出门那不错吧岁末年初保持每年保持每年出版每年从不知名农村帮忙拿不出门那边出美女在保持每年保持不骂你那明年才能支持部不错不错名字你想变成从每年保持每年出版传媒内部成本中心不出门在保持着每年向你们不存在宣布从某种信念不出名字呢 每年不想念你保持不怎么不出怎么拿不出名字那些不存在每年保持每年中心保持每年在宣布从某种拿不出名字呢从民政部项目年初中心不出门你咋想不出美女在保持每年在保持每年在宣布从中心每年保持在下面那不错 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