第二节(共10小题;每小题1.5分，满分15分)
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
A textbook exchange is a business that buys and sells college textbooks. Textbooks can represent 61 significant part of a student's education budget. By purchasing used textbooks or selling unneeded books to a textbook exchange, students can 62 (great) reduce their expenses.
Traditionally, university bookstores were the only sources for 63 (require) textbooks. The success of bookstores 64 buy and sell used books inspired some businesses 65 (copy) the process for textbooks. A textbook exchange will purchase textbooks from students who have completed courses and no longer need the materials. This means the business can resell the used books at a price much lower than their original cost. This is very 66 (benefit) to students who are struggling to meet their school fees and living expenses.
Ever since it first appeared, the textbook exchange 67 (increase) the options for students. Now used textbooks 68 (deliver) almost anywhere through any standard delivery service. This means students are not limited 69 the books available at their local university bookstores. They can compare 70 (price) on a
national or even international level and choose the most reasonably priced editions. This changes the supply-and-demand economic factors that create high prices for most textbooks.
第二节（共10小题;每小题L 5分，满分15分）
61. a 62. greatly 63. required
65. to copy 66. beneficial 67. has increased 69. to 70. prices
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
A textbook exchange is a business that buys and sells college textbooks. Textbooks can represent 61 significant part of a student's education budget. By purchasing used textbooks or selling unneeded books to a textbook exchange, students can 62 (great) reduce their expenses.
Traditionally, university bookstores were the only sources for 63 (require) textbooks. The success of bookstores 64 buy and sell used books inspired some businesses 65 (copy) the process for textbooks. A textbook exchange will purchase textbooks from students who have completed courses and no longer need the materials. This means the business can resell the used books at a price much lower than their original cost. This is very 66 (benefit) to students who are struggling to meet their school fees and living expenses.
Ever since it first appeared, the textbook exchange 67 (increase) the options for students. Now used textbooks 68 (deliver) almost anywhere through any standard delivery service. This means students are not limited 69 the books available at their local university bookstores. They can compare 70 (price) on a
national or even international level and choose the most reasonably priced editions. This changes the supply-and-demand economic factors that create high prices for most textbooks.
第二节（共10小题;每小题L 5分，满分15分）
61. a 62. greatly 63. required
65. to copy 66. beneficial 67. has increased 69. to 70. prices
