亚洲免费av电影一区二区三区,日韩爱爱视频,51精品视频一区二区三区,91视频爱爱,日韩欧美在线播放视频,中文字幕少妇AV,亚洲电影中文字幕,久久久久亚洲av成人网址,久久综合视频网站,国产在线不卡免费播放

        ?

        Task 1

        2021-11-24 08:21:02本刊試題研究中心
        瘋狂英語(yǔ)·新悅讀 2021年6期
        關(guān)鍵詞:設(shè)備研究

        本刊試題研究中心

        The oceans have a plastic problem, and it's growing by 8 million tons a year. Three years ago, a Dutch teenager named Boyan Slat designed a solution: an ocean rubbish collection device (設(shè)備) that would collect ocean plastic without harming ocean life.

        These days, Slat is anxious to put his ocean-cleaning idea to the test. A passing grade might lead to the removal of nearly half of the plastic rubbish floating (漂浮) in the Pacific Ocean. But the process needs to be tested in real-world conditions before it can be fully started—or beat the criticism(批評(píng)) of scientists who are doubtful that it can work.

        Slat's idea is opposite to present oceanic cleanup methods: Instead of sending ships out to run after floating rubbish, place a fixed, floating, V-shaped buffer (緩沖器) in the ocean so that water moves through it, funneling (使流經(jīng)漏斗狀空間) plastic rubbish into a container while allowing animals to swim past the net-free device.

        To test the idea, Slat and his company, Ocean Cleanup, plan to place a 6,561-foot-long float in the Korea Strait. If realized, it would be the largest floating structure ever used. If the technology works, Ocean Cleanup hopes to build a 62-mile-long system that would float somewhere between Hawaii and California. This one would be big enough to deal with an area containing millions of tons of plastic rubbish.

        When it first appeared on the Internet in 2013, Slat's plan caught hearts around the world. But the scientific community doubts whether it would work, how effective it would be, and its possible environmental influence. Slat and the 100 workers of his company, Ocean Cleanup, answered last year with a 530-page report, expressing that a 62-mile-long model would remove 42 percent of the plastics in the Pacific Ocean in less than 10 years.

        1. Boyan Slat invented the device to __________.

        A. remove ocean plastic B. catch scientists' attention

        C. gain fame D. beat the criticism of other teenagers

        2. What do we know about Slat's invention?

        A. Its position changes with the wind.

        B. It collects rubbish with some nets.

        C. It works mainly with the V-shaped buffer.

        D. It uses funnels to control the floating plastic.

        3. What is the scientific community's attitude towards Slat's invention?

        A. Supportive. B. Doubtful. C. Negative. D. Objective.

        猜你喜歡
        設(shè)備研究
        諧響應(yīng)分析在設(shè)備減振中的應(yīng)用
        FMS與YBT相關(guān)性的實(shí)證研究
        2020年國(guó)內(nèi)翻譯研究述評(píng)
        遼代千人邑研究述論
        視錯(cuò)覺(jué)在平面設(shè)計(jì)中的應(yīng)用與研究
        科技傳播(2019年22期)2020-01-14 03:06:54
        EMA伺服控制系統(tǒng)研究
        基于VB6.0+Access2010開(kāi)發(fā)的設(shè)備管理信息系統(tǒng)
        基于MPU6050簡(jiǎn)單控制設(shè)備
        電子制作(2018年11期)2018-08-04 03:26:08
        新版C-NCAP側(cè)面碰撞假人損傷研究
        500kV輸變電設(shè)備運(yùn)行維護(hù)探討
        久久久久欧洲AV成人无码国产| 国产天美传媒性色av| 国产小受呻吟gv视频在线观看| 国产思思久99久精品| 午夜一区二区三区福利视频| 免费看美女被靠到爽的视频| 狠狠色噜噜狠狠狠888米奇视频 | 日本一区二区不卡视频| 永久免费的拍拍拍网站| 青青久在线视频免费视频| 无码孕妇孕交在线观看| 少妇人妻在线视频| 亚洲性色ai无码| 精彩视频在线观看一区二区三区| 在线看无码的免费网站| 麻豆精产国品| 在线一区二区三区视频观看| 午夜国产精品视频在线观看| 久久天天躁狠狠躁夜夜2020一| 亚洲色图在线观看视频| 免费的黄网站精品久久| 中文字幕一区二区人妻秘书| 小宝极品内射国产在线| 91短视频在线观看免费| 国产免费一区二区三区在线观看| 久久久久亚洲av成人人电影| 高中生粉嫩无套第一次| 99久久精品久久久| av成人一区二区三区| 国产尤物av尤物在线观看| 久久精品国产99久久丝袜| 国产精品亚洲精品专区| 色窝窝无码一区二区三区| 欧美老熟妇欲乱高清视频| 麻豆人妻无码性色AV专区| 亚洲国产精品婷婷久久| 天天夜碰日日摸日日澡| 高清国产美女一级a毛片在线| 日本黄网色三级三级三级| 亚洲日韩欧美一区、二区| 在线播放a欧美专区一区|