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1、 洗手后请关掉水龙头。
Please the tap after washing your hands.
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2、 刷牙时不要让水一直流。
Don't the water when you brush your teeth.
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3、 回收玻璃瓶有助于减少浪费。
glass bottles helps reduce waste.
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4、 政府应该制定严格的法律来减少污染。
The government should strict laws to reduce pollution.
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5、 The children (plant) 50 trees in the park last weekend.
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6、 Scientists are studying how (protect) coral reefs.
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7、 The river is (wide) than I thought.
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8、 The government encourages people (collect) rainwater for gardening.
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9、 We can save water by (collect) rainwater. .
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10、 It's important (protect) our water resources.
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11、 Many countries are (quick) developing ways to use solar energy.
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12、 Please turn off the tap while (brush) your teeth.
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13、 The (pollute) of rivers makes it hard for fish to survive.
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14、 We should (use) both sides of paper to save trees.
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15、 A. 用方框中词语的适当形式完成下列短文，每个单词只能使用一次
planet, ocean, reuse, valuable, cycle, fresh, drop, pollute, waste, protect
The Earth is our blue , and we must take care of it. Only . 5% of water on Earth is water for drinking. We should plastic bottles instead of throwing them away. The water helps rainwater return to rivers and oceans. Many sea animals die because of plastic in the ocean. Turning off the tap while brushing teeth can reduce water . Oil spills make the dirty and harm marine life. A single of water can save a plant in dry weather. Forests are because they clean the air and provide oxygen. Governments make laws to endangered animals.
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16、 The government should ____ strict laws to protect forests.A、make B、makes C、making
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17、 —What can we do to help marine life?
—Stop ____ plastic into the sea.
A、throw B、throwing C、to throw -
18、 ____ of the students in our class recycle paper every week.A、Two third B、Two-thirds C、Second-three
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19、 "____ the electricity when you don't need it!" is a way to save energy.A、Turn on B、Turn off C、Turn up
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20、 —____ the water run when you're not using it!
—Sorry, I'll fix the tap.
A、Let B、Don't let C、Not let