托福tpo66综合写作科技类Integrated Writing范文+题目解析【小站备考】
【小站托福写作备考平台】提供托福tpo66综合写作科技类Integrated Writing范文及题目解析。
The reading passage claims that the airships have the potential to become widely popular again due to its advantages over airplanes and helicopters. However, the lecturer believes the return of airships is very unlikely, specifically refuting every argument in the reading.
Firstly, while it is true that the airships are more fuel-efficient, the lecturer points out that the reading overlooks the expenses of the gases. He explains that airships rely on lighter-than-air gases to stay afloat, but there lacks feasible solutions to balance between economic and safety considerations. To be more specific, H2 was widely adopted in the past for its cheap price, but meanwhile is highly flammable, resulting in many famous airship tragedies. On the other hand, He is a much safer option, but it is hard to come by and does not offer as much lifting power as H2.
Secondly, the lecturer also casts doubt on the possible applications in hard-to-reach places. He emphasizes that to operate in such conditions, the airships have to stay steady. However, airships are large, light and balloon-like vehicles/aircraft. It can be very challenging to keep it steady, especially in windy conditions. A sudden gust of wind can blow the airships into the surrounding trees or walls, leading to substantial damages.
Finally, the lecturer also points out that current airship technologies are not developed enough to replace satellites. He explains that current airships can reach a height of maximum 40 km above the ground. However, there are strong wind at that height, but the airships have to stay in one place to fulfill the roles such as communication stations. As a result, large amounts of fuel has to be consumed for the airships to resist the gusty wind and stay in its position, leading to constant refueling and shorter operation periods.
In conclusion, the lecturer effectively casts doubt on all the argument in the reading, demonstrating that it is highly unlikely for the airships to become popular again or replace current airplanes and helicopters.
Gemini老师调整之后的范文
The reading passage asserts that airships could regain popularity due to their economic and functional advantages over airplanes and helicopters. However, the lecturer argues that their widespread return is unlikely, refuting each points made in the reading.
Firstly, although the reading claims that the airships are more fuel-efficient, the lecturer points out that this view overlooks the expenses related to the lifting gases. He explains that balancing safety and cost is difficult. To be specific, hydrogen is cheap and provide great lift, but it is highly flammable and has caused many tragedies in the past. On the other hand, helium is safer but is more expensive, difficult to obtain and provides less lift than hydrogen.
Secondly, the lecturer challenges the idea that airships are suitable for carrying loads from hard-to-reach places. He emphasizes that picking up heavy loads requires the aircrafts to remain perfectly steady. However, airships are large, light and balloon-like structures, keeping them steady is extremely challenging, especially in windy conditions. A sudden gust of wind could blow the airship into surrounding trees, causing severe damage.
Finally, the lecturer disputes that airships can replace satellites. He notes that the current airships can rise to a height of about only 14 km. At this altitude, they encounter strong winds. To function as telecommunication stations, airships must maintain a fixed position, which requires consuming vast amount of fuels to resist the wind. Consequently, they would have to descend frequently for refueling, meaning they cannot provide the continuous serves that satellites do.
I believe I have improved a lot in the writing section during the last few days. The critical problem now becomes:
- less typos!!!
- remember those expressions and words. maybe some early reading sessions in the morning?
Still, the most challenge task of the TOEFL exam lies in the speaking section. Luckily, I still have 6 days to practice.
3days before the test day, I shall start doing some exercise for the Reading and Listening Section. Ideally, there should be nothing to worry about.
