Group visits

　　There are special discounts for groups of 10 or more people and a number of special tours. Please call us on 01904 557 217 or email us at groups@yorkminster.org.

Learning

　　Visiting York Minster is a good learning experience with activities and workshops for all ages. For more information visit www.yorkminster.org/learing, call 01904 557 224 or email us at learning@yorkminster.org.

　　21. What can visitors do in York Minster?

　　 A. Explore ways of improving Yorkshire.

　　 B. Join some research programmes.

　　 C. Hold a series of concerts.

　　 D. Learn about its history.

　　22. When can you get someone to show you around for free?

　　 A. At 9 am on Monday.

　　 B. At 12.45 pm on Sunday.

　　 C. At 11 am on Friday.

　　 D. At 4 pm on Saturday.

　　23. What are you advised to do if you are interested in group tours?

　　 A. Phone 01904 557 217.

　　 B. Send an email to learning@yorkminster.org.

　　 C. Call 01904 557 224.

　　 D. Visit www.yorkminster.org/learning.

B

　　"Drink your milk. It's good for you!" You've probably heard that many times, and it's true. Milk contains calcium (Ca), which is a necessary nutrient(营养) for keeping bones and teeth healthy and strong. The U.S. government even requires milk as part of the National School Lunch Program, saying that students should drink one cup of fat-free or low-fat milk at each meal.

Last Thursday, however, a group of doctors asked the government to take milk out of the lunch program. The Physicians Committee for Responsible Medicine （PCRM） says, "Milk is high in sugar, high in fat and high in animal protein, all of which have