From the last paragraph, we can infer that the idea of natural gas export is not popular with US manufacturers.

December 11, 2011 marks the tenth anniversary of an event, which profoundly changed the global economy: China’s accession to the World Trade Organization. It is difficult not to overstate the effects of this accession, certainly on China, but also on China’s trading partners and on the global trading system itself. By integrating fully into the global economy, China has become the largest exporter of manufactured goods and the second largest economy in the world. This remarkable trade expansion has contributed significantly to China’s growth and development and has helped lift some 500 million people out of poverty.

Passage 1

Dubai is making progress in its efforts to promote international awareness of its attractions. The emirate is now firmly on the world sporting map and reaping the rewards of more publicity. Tennis had been added to the growing list of sporting events, with a BMW/Dubai Duty Free-sponsored tournament in February. This joins horse racing, golf, powerboat racing and snooker championships, which are all already established on the international tournament circuit.Major investment is going into the Dubai-based Emirates airline, which added four new destinations last summer–Rome, Zurich, Paris and Jakarta–and on 14 April started operations to Dhahran, its 31st destination. (Emirates) now employs almost 3,500 staff, making it one of Dubai’s largest employers.

46、Why does Dubai make efforts to hold various kinds of sporting events?

47、What sport had recently been added to the sporting events in Dubai?

48、What does “Emirates” stand for according to the context?

Passage 2

If there is a road to China’s future, Highway 204 out of Shanghai is it. Along its two dusty (lanes), local trucks and buses jockey with Cadillacs driven by financiers from Taiwan and Hong Kong investors. Migrant workers crowd the narrow (shoulders). Factories line the highway, producing sneakers, toys, plastics, clothes, aircraft components and medical equipment. Eventually industry (gives way to) ricefields, which is being dug up to build still more factories. Cranes turn overhead as dump trucks and cement mixers nose onto the road. Outside the town of Jiading, one tractor-trailer leaves Asia’s largest container plant every three minutes, carrying goods bound for the Shanghai docks. The traffic on Highway 204 is so thick that the trip from Shanghai to Zhangjiagang- only 115 kilometers away- takes five hours.

49、What’s the exact meaning of “ lanes ” here in the sentence?

50、What does “shoulders” refer to?

51、What does the phrase “ to give way to something” mean in the sentence?

出口配额制

国内市场

黄金储备

商品交易所

贸易壁垒

空前的

财源，繁荣