1. Protecting the Yangtze River

2. Protecting the Yangtze River P1: Raising the issue The environmental problems of the Yangtze River have raised concern. P 2-4: How to solve the issue A lot of work has been done to protect the river P 5: Conclusion The environmental situation of the Yangtze River is improving

4. 高考链接 The conference has been held to discuss the effects of tourism ________ the wildlife in the area. （ 2003 上海） A. in B. on C. at D. with

5. 高考链接 — I think he is taking an active part in social work. — I agree with you ____. （ 2007 陕西） A. in a way B. on the way C. by the way D. in the way

6. The projects focus on problems along the Yangtze River such as water conservation. (P38) focus (sth.) on/upon sb./sth. 集中于，关注

7. Please remain ____ until the plane has come to a complete stop. （ 2007 山东） A. to seat B. to be seated C. seating D. seated 高考链接

8. 2. Having a trip abroad is certainly good for the old couple, but it remains __________ whether they will enjoy it. (2002 全国 ) A. to see B. to be seen C. seeing D. seen