2. 外语
  3. Many of years ago, lifeWas【B1】than it is today. People didn’t haveModernMachines. ThereWas noModernMedicine,【B2】 Life today has

Many of years ago, lifeWas【B1】than it is today. People didn’t haveModernMachines. ThereWas noModernMedicine,【B2】 Life today has

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问题 Many of years ago, lifeWas【B1】than it is today. People didn’t haveModernMachines. ThereWas noModernMedicine,【B2】
Life today has brought new problems. One of the biggest is pollution(污染).Water pollution has【B3】our rivers and lakes dirty. It kills fish and affects ( 影响 ) our drinkingWater. Noise pollutionMakes us talk louder and【B4】. Air pollution is theMost serious kind of pollution. It affects【B5】living thing in theWorld.
Cars, planes and factories all pollute our air every day.
Many countries areMaking law(法律) to stop pollution. FactoriesMust now, clean theirWater【B6】away, and theyMustn’t send out dirty smoke into the air.
We need to doMany other things.We should putWaste things in the dustbin (垃圾箱)【B7】throwing them on the ground.We can go toWork by bus【B8】with our friends in the same car. If【B9】people driving, thereWill be【B10】pollution.
选项 A、More hard
B、More harder
C、Much harder
答案C
解析 根据本句中的than可知此处应填形容词比较级，并且只有much可以修饰比较级。故本题答案为C。
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