资源简介

Unit 4 课文改编 及拓展练习
阅读下面的文章，用括号内单词的正确形式填空或者是填入一个合适的单词。
A
We Can't Live Without Bees
Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables. honey, milk, eggs, or chocolate. How would you feel 1.___________ (disappoint) Angry Sad At this moment you realize people, plants, and animals are all 2.__________(connect). We need each other to live, and bees are one of the 3._________ (good) examples of this connection.
Bees are very hard-working animals, and 4. _______(they) greatest work is pollination. On one trip, they often visit 50 to 100 flowers. As they fly from one flower to another, they take pollen with them. This action helps plants grow. In fact, 5.______their work, about 80 per cent of the plants in the world cannot grow. 6._______this reason, many scientists believe that bees are the most important animals on this planet.
Bees are also one of the most interesting 7._______ _(animal) in the world. For example, they work hard together 8._______(make) their homes. In order 9.______ (store) honey, they create honeycombs. Another interesting thing about bees 10._______( be ) how they communicate. 11._______a bee finds new food, it uses a dance to tell the others where and how far away the food is.
Bees play 12. _______important part in the ecosystem of our planet. However, the number of bees13.______(be) dropping, and scientists are 14.________(worry). Bees need our help, and there is a lot we can do. Think about what you can do to protect one of the most amazing animals on earth.
B
The Blue Whale
The blue whale is the largest and 1.________ (heavy) animal on earth. It can weigh as much as 200 tons. Many people like 2. _________ (watch) blue whales swim, and they think it is one of 3.________ ( beautiful) things 4.________(see). Blue whales live in all oceans except the Arctic Ocean. They eat a lot, 5. _______they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of 6. _______ (this) a day.
Blue whales can live up 7.______90 years. When a blue whale 8._____(die) at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a living and 9._______ (health) ecosystem. Blue whales play an important role10. ______ our world, so we must protect 11.________ (they).
拓展训练 阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
C
I went to Green Park with my friends last Saturday. It was sunny and warm. We took some food and drinks, and we 1. _________（meet）at the gate of the park. It's 2. _________（popular）place in town, so it was a little crowded. We walked around the park, and we took many 3. _________（photo）there. We were very 4. _________（exciting）. At 1 p. m. , we found 5. _________ quiet place to have some food and drinks.
After a rest, we decided 6. _________（go）shopping. However, we didn't buy any gifts 7. _________they are too expensive. At 5 p. m. , we went home 8. _________bus. My friends and I had a great time together. It was a little tiring, but we were 9. _________（true）happy. It is necessary for us to spend time 10. _________（stay）with our friends.
D
Grace Brown leads a busy school life. Apart from the many required subjects, the 14-year-old also sings in a choir (合唱团) and 1. _________( play) the piano. The school day lasts 2.__________8 a.m. to 4 p.m., but Grace has so many activities3._______ ( attend) that she has no time for P. E. classes. That’s why Grace4. _____________(choose) to take P. E. classes on her own time last term.
Her school has allowed her to try “virtual” P. E.. For many subjects, tests and textbooks have become available on computers. Now, new technologies are also having an effect on P. E.. Grace wears a fitness tracker (追踪设备) called Fitbit on her arm while exercising. She usually exercises three times a week5. ________ 30 minutes each time. A program on her computer records her activity. Grace needs to hand in the records to her school every week.
“Virtual” P. E. is becoming more and more popular among teenagers. Usually, P. E. teachers don’t guide their Fitbit-wearing students in real time. But they do lead the students’ work by 6. ___________(set) goals. The students can choose their favorite7.________(activity). Those who swim or dance all year round may8. ________(easy) meet the workout requirements. As for Grace, she has added light running and cycling to her days. Some schools, however, do not support this trend. “Physical activity is different 9. _________ physical education,” said a P. E. teacher. “Physical activity is great for the body. Everybody is moving. But in P. E. classes, students 10.__________(teach) not only how 11._________(move) but also things like teamwork.答案
阅读下面的文章，用括号内单词的正确形式填空或者是填入一个合适的单词。
A
disappointed 2.connected 3.best 4. their 5. without
For 7. animals 8. to make 9. to store 10. is
If 12. an 13. is 14. worried
B
heaviest 2. to watch /watching 3. the most beautiful
to see 5. although 6. these 7. to 8. dies
healthy 10. in 11. them
拓展训练 阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
C
met 2. the most popular 3. photos 4. excited 5. a
to go 7. because 8. by 9. truly 10. staying
D
plays 2.from 3.to attend 4.chose 5. for
setting 7. activities 8. easily 9. from 10. are taught
to move

展开更多......

收起↑