阅读七选五
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.
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A report says plastics are responsible for $13 billion in damage to the oceans and the undersea environment.1 Plastic thrown away carelessly makes its way into rivers and other waterways.2 After a while, it collects in the sea.And plastic never goes away.It just breaks up into smaller pieces over time.The oceans contain a lot of chemicals and other pollutants.3 That means harmful material may get into our food supply.
2021-05-08(万方平台首次上网日期,不代表论文的发表时间)
共11页
55-64,80