A：反映的是分封制
B：通过分封，周朝的势力范围扩大到七十一国
C：分封的主要是姬姓诸侯
D：此制度的目的是巩固周王朝的统治
（Ⅰ）求f（x）在0，1上的解析式；
（Ⅱ）求f（x）在0，1上的最值．
Bayfield Shopping Coupons(优惠券)
6 Hours free parking
If you spend $100 or more in our stores you will receive six hours of free parking. Take this coupon to the service desk on level 4 to stamp(盖章)!
Buy one, get one free
Buy one shirt or tie at Daniel's Menswear, and get another shirt or tie of the same value free.
10% Off
Show this coupon at the Book Store to get a 10% discount(减价)on any books you buy. We have lots of books to choose from, including children's books, novels and travel guides. You're sure to find something that you will enjoy.
Free soft drink
Buy any meal for at least 6% off at Mike's Café', and receive a free soft drink. We serve the best hamburgers and snacks in the mall. Come in and try our delicious meals and our excellent service. You won't be disappointed!
Half-price movie tickets
Buy any full-price movie ticket on Tuesday or Wednesday, and you can buy a second ticket for a friend for only a half price. The latest movies are all here.
