静心观海一
Desertification is the result of soil fallow,a poor environment,abnormal weather and sandstorms frequent serious natural disasters,
我是五叶神
I think that traveling by air is dangerous.For example, in 2014 major aircraft accidents, such as Malaysia Airlines, has aroused greatattention.2, Although the number of statistics in a year in a car accident death of more than the number of deaths in a plane crash, but the number of the car itself is more than the plane.3, Research shows that, there are 43% to 54% pilots admitted they fell asleep when they drove, and 1/3pilots woke up , finding CO pilot was also in sleep!望采纳。
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