Protecting the Yangtze River

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

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

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

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

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

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