模拟试题二 Part I Writing Directions: For this part, you are allowed 30 minutes to write a composition on the topic: Overseas Study at an Early Age. You should write at least 150 words following the outline given below: 1. 目前很多父母在子女高中毕业前就送他们出国学习 2. 形成这种趋势的原因 3. 我对些的看法 Oversea Study at an Early Age Part II Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer sheet1. The Sky's Limit Air travel is a rapidly growing source of greenhouse gases. But it is also an indispensable way of travel. The new A380 The double-decker A380, the biggest airliner the world has seen, landed at Heathrow last month to test whether London's main airport could handle the new 550-seater, due to enter commercial service at the end of this year. It was a proud moment for Britain's Rolls-Royce, the makers of the aircraft's Trent 900 engines. Rolls-Royce says the four Trents on the A380 are as clean and efficient as any jet engine, and produce "as much power as 3,500 family cars". A simple calculation shows that the equivalent of more than six cars is needed to fly each passenger. Take the calculation further: flying a fully laden A380 is, in terms of energy, like a 14km (nine-mile) queue of traffic on the road below. And that is just one aircraft. In 20 years, Airbus reckons, 1,500 such planes will be in the air. By then, the total number of airliners is expected to have doubled, to 22,000. The huge airplane alone would be pumping out carbon dioxide (CO2) at the same rate as 5 million cars. That may not seem much compared with the 60 million vehicles that pour of...