[填空题]Foreign students are valuable to the United States. Most have to pay the full costs for their education. That helps universities meet their{{U}} (36) {{/U}}. International students and their families put twelve-thousand-million dollars into the American economy last year. That number is from the {{U}} (37) {{/U}}of International Education, based in New York. Now, many education officials say they are concerned that fewer students will come to the United States for the next school year. The officials base their{{U}} (38) {{/U}}partly on a decrease in students planning to attend{{U}} (39) {{/U}}English programs during the summer. Just over half the schools in the American Association of Intensive English Programs were questioned for an online study in May. The members said they{{U}} (40) {{/U}}nineteen percent fewer students than last summer. They said they expected more than thirty percent fewer students than in the summer of two-thousand-one. The members said one r

Londoners are great readers. They buy a vast number of newspapers and magazines and even of books-- especially paperbacks, which ale still relatively cheap in spite of the ever-increasing rises in the cost of printing. They still continue to buy "proper" books, too, printed on good paper and bound between hard covers.
There are many streets in London containing shops which specialize in bookselling. Perhaps the best known of these is Charring Cross Road in the very heart of London. Here the bookshops of all sorts and sizes are to be found, from the famous one which boasts of being "the biggest book-Shop in the world" to the tiny, dusty little places which seem to have been left over from Dickens time. Some of these shops stock, or will obtain, any kind of books, but many of them specialise in second-hand books, in art books, in books on philosophy, politics or any other of the many subjects about which books may be written. One shop in this are
A. more costly
B. more valuable
C. more difficult to read
D. more enjoyable to read