三、语法填空
Most of your textbooks are single-use. After graduating, you may throw away your old textbooks. This causes 1. big waste of money and paper.
According to the government, students across the country buy 2.8 billion new textbooks every year. 2. the following year's students could reuse these textbooks, it could save over 20 billion yuan per year. That's enough money to 3. (build) 40,000 primary schools, China Daily noted.
Primary and junior high school students in several Chinese cities are 4. ( reuse ) music, arts, science and IT textbooks. Students don't have to take notes in 5. (they) textbooks for these subjects. So these books are recycled 6. (easy).
However, these are only a small part of the total number 7. textbooks. As of now, there is still no good way for redistributing（重新分配）second-hand textbooks. 8. (change) in course also make it hard to reuse textbooks. So most textbooks still end up as waste. "I'm among the 9. (one) group of students to take classes after the recent course reform（改革）. I have to buy new textbooks that students in 10. (high) grades didn't use," Sun Run, a high school student from Hangzhou, told TEENS.
四、读写综合
Reading is a lifelong journey. Put yourself into a world of books and get lost in another world — but where do you start? Here are some suggestions to pick a great book.
1. The best people to answer your questions are librarians! They are cool book brains. If you tell a librarian what you've read before and what you liked or disliked about it, they will suggest some possible books to you to try.
2. Changing into a new style of book is not easy. You may get used to reading history books or you just take an interest in science fiction. What about the books about culture? You'll never know until you try. Give a new style a chance and you may enter a whole new world of reading.
3. Book reviews can help you decide if a book is for you. There are usually short reviews on the covers of books. You can also read reviews online. Some websites provide book suggestions from writers, parents and teachers. Some people's opinions about the books are very interesting. Their ideas may help you.
4. A Chinese teacher usually has rich experience in what kind of books to choose for students. What's more, your Chinese teacher knows you well and gives you better advice on what to read.
5. Reading something comfortable might be your first choice. But why not challenge yourself to read something more complicated（复杂的）? It is a good way of pushing yourself to improve your reading skills.
Ⅰ.从方框中选择合适的选项补全短文,其中有一个选项是多余的。

1.a 2.If 3.build 4.reusing 5.their 6.easily 7.of 8.Changes 9.first 10.higher
Ⅰ.1.F 2.D 3.A 4.E 5.C