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1、 按要求完成句子
provide / protect / save / important / natural / dangerous
(1)、Trees us with shade and fruit in summer.(2)、It's to teach kids about Earth protection from a young age.(3)、We should water by taking shorter showers.(4)、We must the wild animals from being hurt.(5)、 disasters like earthquakes are hard to predict.(6)、We need to respect and not destroy it. -
2、 用所给短语的适当形式填空
natural resources, cover the Earth's surface, provide fresh air, save energy, protect forests, air pollution, in danger, besides, for example, give a report on the Earth
(1)、About 71% of the Earth is water that .(2)、Forests and many kinds of food for humans.(3)、We can by turning off lights when leaving a room.(4)、The Earth gives us many like coal and oil.(5)、We must because they are important to our environment.(6)、 is getting worse with more cars on the road.(7)、Many wild animals are because of overhunting and pollution.(8)、 planting trees, we can also reuse plastic bags.(9)、We can do small things to protect the Earth, , we can collect waste paper.(10)、Our teacher will in class tomorrow. -
3、 重点短语(1)、自然资源(2)、覆盖地球表面(3)、提供新鲜空气(4)、节约能源(5)、保护森林(6)、空气污染(7)、处于危险中(8)、除此之外；而且(9)、例如(10)、做关于地球的报告
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4、 Some rare animals are in (danger) situations because of habitat loss.
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5、 Air (pollute) makes it hard for us to breathe clean air.
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6、 We should make full use of (use) materials to protect the environment.
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7、 People used (coal) a lot for heating in the past.
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8、 Being a (save) person helps reduce waste in daily life.
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9、 The forest is able to (provide) fresh air for us every day.
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10、 The (protect) of wild animals is our common duty.
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11、 Everyone should understand the (important) of protecting the Earth.
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12、 We need to learn how to get along well with (natural).
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13、 The (ocean) are home to millions of sea creatures.
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14、 词形转换(1)、ocean (复数)(2)、natural (n.自然；自然界)(3)、important (n.重要性)(4)、protect (n.保护)(5)、provide (n.提供；供给)(6)、save (adj.节省的；节约的)(7)、coal (复数)(8)、use (adj.有用的)(9)、pollute (n.污染)(10)、danger (adj.危险的)
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15、 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 anything about space exploration?
B: Space exploration? ?
A: It means people study and travel in outer space to learn more about the universe.
B: That sounds cool! ?
A: The first person to go into space was Yuri Gagarin from Russia in 1961.
B: Wow, that was a long time ago. ?
A: Yes, China sent its first astronaut Yang Liwei into space in 2003.
B: ?
A: Now we have our own space station called Tiangong. Astronauts live there for months.
B: . I hope I can visit the space station one day!
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16、阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。
astronaut, explore, gravity, launch, planet, satellite, space, discover, succeed, orbit, travel, universe, hard, proud, technology
Nowadays, human's exploration of has made great progress. In 2003, China its first manned spacecraft, and Yang Liwei became the first Chinese to enter space.
Scientists are trying to other in the solar system. They have that there might be water on Mars. The International Space Station the Earth all the time, where astronauts have to get used to living without enough .
With the development of , more countries are joining in space . They have in sending many into space to collect information.
We feel of our country's achievements. It is through work that we can learn more about the big.
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17、 许多孩子梦想有一天能进行太空旅行。
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18、 中国已经成功发射了许多载人飞船。
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19、 没有重力，宇航员在太空站里会漂浮。
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20、 人造卫星可以帮助我们预测天气。