相关试卷
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1、 We should try our best ____ the environment.A、protect B、protecting C、to protect D、protected
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2、 The government made laws to protect （野生的）animals.
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3、 There are many kinds of （植物）in the mountain.
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4、 We should （减少）the use of cars to protect air.
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5、 My father often tells me the （重要性）of saving water.
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6、 It's important to keep the （平衡）of nature.
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7、 The （海洋）covers most of the Earth's surface.
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8、 We need to （回收）paper to save trees.
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9、 Global warming makes the （温度）rise every year.
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10、 The （森林）is home to many wild animals.
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11、 We should use cloth bags instead of （塑料的）bags.
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12、 It's our duty to love and protect n.
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13、 The sun gives us l and heat.
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14、 The river is so dirty that no f can live in it.
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15、 We can p more trees to protect the environment.
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16、 Don't w water. It's precious for all living things.
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17、 Many animals are losing their h because of deforestation.
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18、 Trees help to make the air f and clean.
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19、 It's important to save e by turning off lights when leaving.
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20、 Too many cars can cause air p in the city.