阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Five Star Yellowstone Tour
Discover the world’s oldest national park, Yellowstone, on this grand wildlife tour. Our professional guides will give you a 5 star customer service experience on your all inclusive tour without any additional taxes or booking fees.
Starting at approximately 7 am, we will be rolling out the red carpet for you and all you have to do is to sit back and enjoy the ride. We provide snacks, bottled water, and cooked food for lunch. This tour’s main focus is on the wide variety of wildlife, Yellowstone’s rich historic landscapes as well as the fascinating prospect formed by the Yellowstone Supervolcano for over millions of years. Binoculars (双筒望远镜) are provided to help you appreciate the scenery better.
Whether you are an amateur photographer, a science or history enthusiast or just want to explore the outdoors, this tour has something for everyone. Our fun but professional guides will give you a first class tour in a very comfortable tour bus.
Tour snapshot
Duration: 10-12 hours
Taking Covid-19 safety measures: Click here
Hotel pickup offered
Group size: 9
Ticket type: Mobile
Available language: English
Book in advance
Scheduled date: Check availability
Total fees: $300 per adult (age 13-99); 40% discount (age 1-12)
Reserve now & pay later: Learn more
Free cancellation: For a full refund, cancel at least 24 hours in advance of the start date of the experience.
Now you’re all set! Have a great time.
21. Where is this text probably taken from?
A. A textbook. B. A website.
C. A scenery magazine. D. A travel report.
22. What can we know about the tour?
A. It has both mobile and paper tickets.
B. It is a 9-people group with extra fees.
C. It offers snacks, breakfast, binoculars and hotel pickup.
D. It highlights wildlife, historic sights and volcanic scenery.
23. What should you do for the booking?
A. Pay $180 per child for the tour.
B. Pay at once after your reservation.
C. Cancel within 24 hours for a full refund.
D. Consult the guide to check available date.
【答案】21. B 22. D 23. A
【解析】
【导语】本文是一篇应用文。文章介绍了五星级黄石之旅的具体细节和注意事项。
【21题详解】
推理判断题。根据Tour snapshot部分中的“Taking Covid-19 safety measures: Click here (采取新冠肺炎安全措施：点击此处)”可知，这篇文章可能来自一个网站。故选B。
【22题详解】
细节理解题。根据文章第二段“This tour’s main focus is on the wide variety of wildlife, Yellowstone’s rich historic landscapes as well as the fascinating prospect formed by the Yellowstone Supervolcano for over millions of years. (本次游览的重点是种类繁多的野生动物、黄石公园丰富的历史景观以及黄石超级火山数百万年来形成的迷人前景)”可知，关于这次旅行我们能知道它突出了野生动物、历史景观和火山景观。故选D。
【23题详解】
细节理解题。根据倒数第四段“Total fees: $300 per adult (age 13-99); 40% discount (age 1-12) (总费用：每位成人300美元（13-99岁）；40%折扣（1-12岁）)”可知，你应该为预订做的事情是为每个孩子支付300×(1-40%)=180美元。故选A。
