Empty tanks to blame for many plane crashes: ; Federal official says it is surprising how many pilots take risk of flying on low fuelMELANIE S. WELTE
就是g，是重力gravity，复数就写成了gs 就是说一架飞机以185m/s2的加速度坠毁，将会受到几倍的重力
Many accidents are caused by riders braking incorrectly. According to the California Highway patrol, locking up the rear brakes is a factor in the majority of motorcycle crashes. Changing Gears Early motorcycle clutches were operated by a foot pedal in the same way that automobile drivers use ...
这里涉及到假设和支持的区别，C项是一个加强项，但并非是一个假设，将C取反并不会带来原argument结论...
How do the airlines expect to prevent commercial plane crashes Studies have shown that pilot error contributes to two-thirds of all such crashes. To address this problem, the airlines have upgraded their training programs by increasing the hours of classroom instruction and emphasizing communication ...
Manyairlinescontinued to treat air travel as a luxury, however. Free meals and drinks, expansive and comfortable seats, personal attention from flight attendants and other amenities kept the price of plane tickets relatively high. Airline deregulation and the changing economics of the airline industry...
It might sound counterintuitive, but arming yourself with knowledge of past aviation incidents might help you feel more at ease on a flight. Try watching a show likeMayday(also known asAir Disasters), which educates viewers about plane crashes — it'll tell you what went wrong, why it went...
It’s little wonder, then, that airplane turbulence would make so many travelers uneasy. Turbulence can happen without warning, causing a plane to shudder or dip erratically. Items may shift, and passengers might be jostled in their seats. The sudden lift or plummet of an altitude change can...
7 of the Most Devastating US Plane Crashes From a collision with a national landmark, to a tragic airshow accident, these flight disasters are among the most indelible in American history. Read more 5 Stunning Real-Life Survival Stories These people went off the beaten track. Then things went...
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