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Match the sentence halves.




1. These advances, added up over time a)which also enabled the pressurization of cabins
2. It meant that airplanes could go farther b) than the airplanes it will replace.
3. The age of aluminum that airplane pioneered has lasted c) including fuel efficiency, reduced emissions, and low community noise.
4. It will use about 20 percent less fuel and be about 30 percent less expensive to maintain d) faster and higher than anyone had thought possible.
5. It will also set new benchmarks for environmental performance e) which marked a sudden and enormous change in the power-to-weight output of airplane engines.
6. Terrific improvements in aircraft performance were made possible through new developments in metallurgy f) for more than 80 years now.
7. then came the turbojet g)led to tremendous improvements in performance and capability

5. Complete the text with the words from the box.

engine research quieter material performance propulsion   fan fuel weight

The GEnx-1B engine designed for the 787-8 can churn out 64,000 pounds of thrust. "It's usually one of the last tests that we run to make sure all of the airplane systems are working," said Ron Stephens who is on the propulsion team for the Boeing 787 Dreamliner. "We verify that the (1) system starts, motors, provides all of the cockpit displays and shuts down properly." This test comes after years of (2) and development by Boeing and GE. Like the 787, the GEnx takes the use of composites to a new level. Both the fan blades and (3) casing are made with the strong and durable but light weight (4). The reduction in (5) is a major reason why GE says the GEnx-1B will burn 15% less (6). The power plant will also be significantly (7) and cleaner and easier to maintain than its predecessor. But the (8) is not giving up anything in terms of (9).

6. Translate the following text into English:

Boeing 737 . Boeing 737 Original 1967 1985 . 1980- . -737 CFM56 , Boeing 737 Classic. Classic Boeing 737-300, Boeing 737-500 Boeing 737-400. 1997 . Boeing 737 NG (Next Generation), , (winglet), . , . Boeing 737 NG Airbus A320 .

 

7. Find the adjectives in the text and make some sentences comparing the planes.

For example: that boasts the longest range in the world.

that offer airlines the lowest operating costs and best economics.

Comparing two things
With short adjectives, use - er (+than). With long adjectives, use more/less (+than). Its faster than a normal car. Its moreexciting than a car and its less noisy. Irregular forms: good Its better. bad Its worse. far It goes further. Or use asas It isnt as cheap as a car. Comparing three or more things With short adjectives, use (the) est. With long adjectives, use (the) most/least. The Skycar is the fastest vehicle and its also the most expensive. Irregular forms: good Its the best. bad Its the worst. far It goes the furthest

 





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