内容正文:
Unit 5 Looking into nature
Understanding ideas:
语法精讲
一、根据句意及汉语注释完成单词(每小题1分,共5分)
1. After the storm, people worked together to ________ (清除) the fallen trees from the streets.
1. These _______(模型) of spaceships were made by our group.
1. Jupiter is the largest _______(行星)in the solar system.
1. It’s _______(真实的)that exercise can improve our mental health.
1. All the students are looking at the _______ (布告牌)to find their exam results.
二、用合适的词完成句子,每空限填一词(每小题1分,共6分)
1. The little boy is interested _______ collecting stones and studying their shapes.
1. Scientists are trying to find the reason _______ the disappearance of this bird.
1. The river is an important part _______ the local wildlife’s natural habitat (栖息地).
1. _______the past, people thought the earth was the centre of the universe.
1. Some ancient plants died _______when the climate became too dry.
1. Young explorers discover the beauty of nature _______ their own way, through games and adventures.
三、从括号中选择正确的单词完成句子(每小题1分,共4分)
1. The teacher told us _______ the earth goes around the sun. (that/if)
1. They are not sure _______ the rain will stop before their hiking trip. (that/if)
1. Henry said ______ he would study biology to learn about wildlife. (that/whether)
1. We haven’t decided _______ to join the science club or not. (whether/if)
四、连词成句(每小题1分,共5分)
1. likes/I know/birds/watching/Lily (.)
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1. believe/I/he/will keep a notebook/to record/ birds (.)
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1. asked/teacher/our/we/join/the clean-up group/ could/if (.)
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1. tell/can/you/me/he/an animal lover/is/whether (?)
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1. wondered/we/plants/how many/the park/had (.)
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五、用括号中所给单词的适当形式填空(每小题1分,共5分)
1. I believe that our class ________ (finish) the campus plant survey successfully tomorrow.
1. Few people knew how many rare plants _________(grow) in the local forest last year.
1. My teacher asked if we _________(join) the school’s nature exploration club the next week.
1. Jerry told me that he_________ (love) bird-watching since he was ten years old.
1. The scientist told us that the ocean _________(cover) about of the earth’s surface.
六、将方框中所给单词的适当形式填入短文中,每词仅用一次(每小题1分,共5分)
luck enjoy watch if way
Li Ming went on a nature trip to the small forest near his hometown last weekend. Early in the morning, he walked along the quiet path and wondered 1. ________ he could see rare birds there.
2._________, just 20 minutes later, he met a kind guide working in the forest. The guide taught him different 3. _________to observe (观察) wildlife secretly.
They sat under a big tree and stayed quiet 4._________ birds building nests in the branches (树枝). At the end of the day, Li Ming told his parents he 5. _________the trip a lot because he not only saw lovely birds but also learnt so much about nature. He even made a small plan to go on another trip with his classmates next month!
七、语法填空(每小题1分,共10分)
You are a nature lover?Then you must visit Zhangye UNESCO Global Geopark in China! It’s one 1._________the best geoparks in the world. People there believe 2._________ it is the most beautiful rainbow (彩虹) hills in the world.
There are plenty of low hills that look like waves and have many different 3. _________(colour), just like a rainbow! If you climb up to the top and see the hills from above, you 4._________ (find) rainbows painted on the ground. Of course, you’d better take 5. _________raincoat with you because the weather often changes 6. _________(sudden) during the climb.
You may wonder how these colourful hills were developed. Over millions of years ago, this area was under a lake. Over time, rivers were bringing sand 7. ________ stones. These were left in layers (层) on the bottom of the lake. Some layers were red, some were yellow, and the others turned purple or white. Later, the climate 8. ________ (become) much colder and drier, so that the lake dried up. Then, something special happened! The underground land began 9. ________ (rise) up and push against each other. The layers of sandstone were lifted higher and higher. Through years of wind, sun, and rain, they formed the colourful hills we see today.
The best time to visit the geopark is from Juneto September. Mornings and evenings are much 10. _________(cool) than the hot afternoons. During these times, you can enjoy the wonderful sunrises and sunsets over the hills. Sunshine after a summer rain will make the colours even brighter and more beautiful.
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