Question

　 Three key facts about rising sea levels (海平面上升) need to be pointed out to the world's politicians and planners: sea-level rise is now unavoidable(不可避免的), it will happen faster than most of us thought, and it will go on for a very long time.

　 Even the greenhouse gas emissions(排放) stopped tomorrow, the oceans will continue to become larger as they get warm. The climate scientists estimate (估計) that sea-level rise may be in the range of 1 to 2 meters by 2100, with a small risk of an even greater rise.

　 For many islands and low-lying regions (地區(qū)), even small rises will cause disasters. But for most countries, the problem is what has been built on that land: New York, Sydney and Tokyo, to mention just a few cities. Unless something can be done, great areas of urban network will disappear under the waves (波浪). It will take a great engineering effort to protect these cities— an effort that may be beyond economies (經(jīng)濟) that have been brought to their knees.

　 None of this means we should fear, and stop trying to forbid emissions. But together with these efforts, we need to start acting now and we must stop building in danger zones.

　 Billions of dollars are being spent on constructing homes, offices and roads in vulnerable (易受危害的) coastal areas. For instance, the skyscrapers (摩天大樓) of Shanghai are being built on land that is only 4 meters above sea level on average, and they are sinking under the weight of the buildings. Therefore, planning for new coastal developments is to go against reality. If we want to build a lasting heritage (遺產(chǎn)) for our children, we should do so on the plentiful land that is in no danger from the sea. It is one of the effective (有效的) ways to slow down climate change, and we should be acting on it now.

64. The most possible reason for the rising of sea levels should be __________.

　 A. greenhouse gas emission　　 B. temperature change of the oceans

　 C. vulnerable coastal area　　　 D. fast urban development and expansion

65. New York, Sydney, and Tokyo are mentioned in this passage to show __________.

　 A. 'climate changes have been completely out of control

　 B. modern cities are usually built along the coastline

　 C. the coastline is very important for modern countries

　 D. climate changes have seriously done harm to economies

66. The effort to protect coastal cities may be beyond economies because __________.

　 A. much money has been wasted to build coastal cities

　 B. people have lost confidence in their economies

　 C. economy development has made climate change worse

　 D. protecting the cities may cost more than what has been obtained

67. According to the author, we should___________ to deal with sea level rise.

　 A. move big cities like New York and Shanghai to higher places

　 B. stop building skyscrapers in big cities like Sydney and Tokyo

　 C. build cities on the land free from the danger of sea level rise

D. be aware of the danger of green gas emission into the ocean

Answer 1

 ACDC