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Since I was very young, my dream is becoming an air hostess.

从很小的时候起，我的梦想就是成为一名空姐。

My dream is become an air hostess since I was very young.

从很小的时候起，我的梦想就是成为一名空姐。4。

To become an air hostess/ stewardess is my dream and since I was young.

从很小的时候起，我的梦想就是成为一名空姐。

My dream is to be an air hostess since i was a chirldren.

从很小的时候起，我的梦想就是成为一名空姐。

To become an air hostess/stewardedss is my dream and since I was young.

从很小的时候起，我的梦想就是成为一名空姐。

Since my childhood, I had dreamed of being an air hostess.

从很小的时候起，我的梦想就是成为一名空姐。

My dream is been to an air hostess since I was very yong.

从很小的时候起，我的梦想就是成为一名空姐。

As we have learned , the management cost of an air lane basically includes cost of fat fee of boat of material of charge , boat and manpower resource falls to wait since the airport .

据了解，一条航空路线的经营成本主要包括机场起降费用，航材航油费用以及人力资源成本等。

One, because the since smoke of gunpowder of a large number of heroes chasing the deer-fight for the throne suffers manage off-season influence, the passenger carrying trade of domestic main air lane is very stagnant.

一、群雄逐鹿硝烟起由于受经营淡季影响，国内主要航空路线的乘客运输业很不景气。

Since 2000, the project I had/have been responsible for include:Health Effects of Fine/Ultrafine particles in ambient air of Beijing founded by Natural Science Foundation China and also cooperated with GSF, Germany; Energy Selection and Health Benefits in Beijing and China funded by IES program of USEPA, Study of Environmental Cost Model in China funded by USEPA, Risk Assessment for health Effects of Biological Indoor Air Pollutants and outdoor air pollution funded by China Ministry of Science and Technology; Health Effects of Fine Particles from the Dust Storms in China funded by NSFC and also cooperated with NIER, South Korea, etc.?

目前有在读的博士生2人、硕士生6人，MPH5人。主要研究方向为室内外空气污染对人群健康影响的定量评价及方法、环境污染健康风险评价及方法学。目前主持承担的科研项目有：国家自然科学基金重点项目"大气细颗粒和超细颗粒的环境行为。界面过程和健康效应"，国家"十一五"科技支撑计划项目"建筑室内生物污染控制与改善关键技术研究"和"环境污染的健康风险评估与管理技术研究"，欧盟课题"健康与环境网络建设"、韩国环科院合作项目《亚洲沙尘污染对儿童健康影响的比较风险研究》等

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。