题目

一列波从一种介质进入另一种介质时，下列说法正确的是                                    （    ）       A．频率发生变化，波长和波速不发生变化       B．波长发生变化，频率和波速不发生变化       C．波速发生变化，频率和波长不发生变化       D．波长和波速发生变化，频率不发生变化   (1) Opening week specials at Munchies Food Hall At the corner of Green and Brown Streets in the city      Monday, 7th of January until Sunday,13th of  January, 2008 Feast until you’re full! Come down to Munchies this week to enjoy the special dishes on offer at all of our food outlets. Order from the following: Succulent chicken rice Spicy satay beef Delicious noodle dishes Plump pork chops Seafood specialties Crunchy vegetables Sweet tropical fruit Halal food is available at the stall Malay Food Heaven 10%discount on all orders above $20.00 Win Prize and Gifts! Spend $20.00 or more and win instant prize from our lucky draw box. Collect a free meal if you are the first customer of the day at any of our stalls. Win a holiday to western Australia. A free raffle ticket is given with every receipt. Just fill in your information and place your entry in the box provided. (2) Winner to be announced in The Straits Times on the 15th of January. Join in the Fun! Between 7:00 pm and 8:00 pm each evening until the 10th of January, your favorite Channel 3 television actors and singers will entertain you: ●May Lee   ●Jackie Chen      ●KimYap     ● Kamal Autograph sessions will follow each performance! And who will be our extra special mystery star? Come down on Saturday at noon to find out. 60. Munchies Food Hall does NOT sell __________. A. lamb                 B. beef                         C. pork                        D. chicken 61. The prices at Munchies are ___________. A. lower than usual          B. bargain prices for the opening C. lower for two people       D. lower if you spent $21.00 62. Everyone who eats at Munchies will receive a __________. A. free raffle ticket            B. lucky draw coupon C. free meal                  D. balloon and whistle 63. I will find out who has won the trip to Western Australia when I __________. A watch Channel 3 television B. come down to Munchies at noon C. read The Straits Times on the 15th of January D. attend the lucky draw at Munchies Food Hall