皮皮学，免费搜题
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搜题
【单选题】
土壤净化的类型包括A.
物理净化、化学净化、生物净化
B.
物理净化、化学净化、天然净化
C.
物理净化、生物净化、自然净化
D.
化学净化、生物净化、自然净化
E.
物理净化、生物净化、天然进化
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
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【单选题】He __________ the keys from my hand and ran away.
A.
caught
B.
brought
C.
pulled
D.
snatched
【简答题】句型转换。 1. He ran in the school for half an hour (对画线部分提问) _______ _______ _______ he run in the school ? 2. We started to skate two hours ago . (对画线部分提问) _______ _______ you start to skate? 3. They sta...
【简答题】Long long ago, people sent messages in different ways. A man put his ears to the ground. He 1 the horses. They were coming this way. He ran to 2 people.He was a 3 .That was one way to send messages. P...
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