题目

阅读理解，阅读下面的广告和短文，从每题所给的三个或四个选项中选出最佳选项。Ice World Have fun skating here!$20/hour for children  $30/hour for adultsTel: 88682526  Nancy’s Gym                Keep fit! Lose weight!$25/hourOpen two days a week:Saturday and SundayPh: 45562233    1. What do people want to do at Nancy’s Gym? A. To enjoy swimming.          B. To learn skating.              C. To become thinner.2. Lucy likes skating. Which ad is she probably interested in?A. Ice World.              B. Water已知红花为显性，红花与白花杂交所生后代中红花∶白花=7∶1。亲代红花纯合子与杂合子之比为( )A. 1∶1 B. 2∶1 C. 3∶1 D. 4∶1