Unit 4 Global warming reading课时作业

Ⅰ.阅读理解(共15小题；每小题2分，满分30分)

　　A

　　The city of San Francisco is a wonderful tourist attraction that offers many different things to see and do.The best way for a traveler to get a good look at the city is to take one of the many different tours there.

　　Tour the City on Foot

　　When touring the city by walking, you aren't going to walk much.What's more, there are far more benefits.This kind of tour allows you to see as many buildings of the city as possible.A tour of the city on foot usually focuses on a more localized neighborhood level, which can be very interesting in a number of different ways.

　　Hit the Waters of San Francisco Bay

　　The waters of San Francisco Bay have played an important role in the city's development over the last century，Touring San Francisco from the water is a completely unique way for you to see this wonderful city.

　　Take a Bus Tour

　　If you want to see a wide variety of attractions from all over the city, one of the best things you could do is to book a tour through our company that offers services here.A bus tour of San Francisco is one of the most complete ways to experience the city.

　　Tour San Francisco From the Air

　　While it is one of the most expensive ways to see San Francisco, touring the city from the air is one of the most unique and thrilling ways to see the city.Seeing the city from high above allows you to get a full view of the city as tour guides point out attractions from high above.If you do decide to tour San Francisco by air, you'll be creating memories that you won't forget forever.

　　We are a travel agency providing high­quality services and discounts.For more information, please click here.

【语篇解读】　本文是一则为旅行社登的广告。旧金山是一个很棒的旅游景点，对一个旅行者来说，要想好好看看这个城市，最好的办法就是从那里的许多不同的旅游路线中选择一条。