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1、 I love the (cool) autumn days.
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2、 The (hot) in summer makes people feel tired.
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3、 We enjoy the (warm) of the spring sun.
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4、 It often (snow) in Harbin in winter.
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5、 The (wind) is blowing strongly.
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6、 Look! It's (rain) heavily outside.
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7、 It's (sun) today. Let's go to the park.
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8、 词形转换(1)、season (复数)(2)、sun (adj.晴朗的)(3)、rain (adj.下雨的)(4)、wind (adj.有风的)(5)、snow (v.下雪)(6)、warm (n.温暖)(7)、hot (n.炎热)(8)、cool (n.凉爽)(9)、cold (n.寒冷)(10)、picnic (复数)
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9、 根据下面的对话情景，在每个空白处填上一个恰当的句子，使对话的意思连贯、完整。
A: Do you know much about the Earth?
B: Not really. ?
A: Well, the Earth is a blue planet with lots of water and land.
B: That's interesting. ?
A: Forests are important because they provide fresh air and homes for animals.
B: Oh, I see. ?
A: We can protect forests by not cutting down trees randomly and planting more trees.
B: What else can we do to protect the Earth?
A: . For example, we can recycle waste paper and bottles.
B: Sounds great! .
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10、 保护地球对我们每个人来说都是一项重要的任务。
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11、 许多野生动物因为失去家园而处于危险之中。
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12、 空气污染使许多人患上呼吸疾病。
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13、 我们应该节约能源，比如离开房间时关灯。
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14、 森林不仅为我们提供新鲜空气，还为动物提供栖息地。
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15、 海洋覆盖了地球表面的大约百分之七十一。
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16、 Beside, we can recycle glass bottles to reduce waste.
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17、 Many animals are in dangerous because of pollution.
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18、 The ocean cover more than half of the Earth's surface.
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19、 We should learn protect the environment every day.
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20、 There are lot of natural resources on the Earth.