1 Olivia：What’s the biggest source of pollution? The answer might surprise you. Fenny：Plastic bags? Olivia：No, throwaway diapers. Fenny：But how come they became a source of pollution? Olivia：__________ 102 統測
A About fifty years ago.
B They don’t break down easily.
C Cotton diapers are good for the environment.
D People are using fewer throwaway diapers.
Olivia：什麼東西是最大的污染源？答案可能會讓你很驚訝。 Fenny：塑膠袋。 Olivia：不是，是拋棄式尿布。Fenny：但是它們怎麼會是污染源呢？ Olivia：它們不容易分解。
About fifty years ago. 大約在五十年前。
They don’t break down easily. 它們不容易分解。
Cotton diapers are good for the environment.棉質尿布對環境很好。
People are using fewer throwaway diapers.人們現在比較少用拋棄式尿布。
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每天進步一點點，量的積累會產生質的改變
Stay out of it. (你別管)