20xx春八年級英語下冊unit7what’sthehighestmountainintheworld第4課時sectionb2a-2e新版人教新目標(biāo)版-資料下載頁
2025-06-12 04:54本頁面
【正文】 stewater problem is especially 2 .And the subject of World Water Day in 2022 was “Wastewater”. What is wastewater?It is used ,wastewater es from homes, 3 ,hospitals and so is produced by different kinds of activities,including washing the machines,taking showers and using the rain also 4 wastewater when it is running down the street during a matter where it es from,this kind of water is sure to have 5 harmful in it. 6 must we treat( 處理 ) wastewater?Wastewater has a big influence on our causes both illness for us and pollution for the must care for our environment and our own 7 . How can we treat wastewater?Different kinds of wastewater need different ways of 8 homes can be there will be 9 ,factory wastewater has to be cleaned 10 it goes back to nature. ( B ) ( D ) ( A ) ( C ) back in into up ( B ) ( C ) ( C ) ( D ) ( A ) ( D )
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