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题型：单选题 题类：常考题 难易度：普通
牛津版（深圳•广州）2019-2020学年初中英语七年级上册 Unit 2 Daily life 第2课时 Reading（2）
—Hurray! Actually these competitors were all strong, but our students made it.
—We'd better offer her some help.
—It means it causes no pollution and does no harm to our environment.
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