仁愛版英語九年級上冊unit2topic1populationhascausedtoomanyproblemssectiond練習(xí)題(完整版)
【正文】 the red liquid (液體 )that flows through the bodies of humans and animals. 5. a kind of hard black mineral(礦物 )that is found below the ground and used to produce energy. 二 . 單項(xiàng)選擇。 causes D. creates。 greenest。 are breathing 3. develop。 Most people don’t that they polluted air. 3. 我們需要發(fā)展本地工業(yè)。 greener。 in D. of。 ( )1. All sorts of pollutions around us are bad o
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