What's the author's purpose of mentioning New York, Sydney and Tokyo? A.To show that world economy will collapse with a big sea-level risE. B.To indicate that many cities are usually built along the coastlinE. C.To illustrate that most countries will suffer when sea levels risE. D.To suggest that developed countries are free from see-level risE.
A.To B. B.To C. C.To D. D.To E.
【参考答案】
C 解析：这三个城市仅仅是作者举的受海平面上升影响的几个例子，那就是说除此之外还有很多例子，由此可以推断出许多建......