Topic: Global Warming
难度等级：（对应校内6-7年级）
建议完成时间：4分钟
It’s back-to-school time. B____1____ for students on one Russian island , it’s not e____2____ to go back.
In the last few months, about 52 polar bears have “visited” the island in northern Russia, The Telegraph reported. The bears are b____3____ into homes and office buildings. They sometimes even h____4____ people. These bears come to the island because of climate c____5____. The weather there is becoming w____6____. The ice on the sea is turning into water. The polar bears are losing their homes and have to come to the island for f____7____.
People on the island are working in teams to look out for the polar bears. They are also using noise-making machines to keep the bears a____8____. Sometimes they even use rubber bullets , CNN reported.
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上期答案：
1. spaces
2. covers
3. publishes
4. slowing
5. release
6. other
7. faster
8. from
9. However
10. speed
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