在山区机场气象条件较好的某扇区内最大障碍物标高为916m,该扇区的相应缓冲区内最大障碍物标高为1135m，则公布的MSA为（）。

On the average, for every 1000 feet altitude increase, temperature will decrease approximately （ ） ℃．

In a low level inversion, as altitude increase, temperature （ ） ．

An elongated area of high pressure with the highest pressure along a line is called a （ ） ．

An elongated area of low pressure with the lowest pressure along a line is called a （ ） ．

Air tends to flow from a （ ） pressure area to a （ ） pressure.

The low pressure area at the equator is caused by the （ ） ．

The conditions that will result in the formation of frost are （ ） ．

Routine aviation weather report is （ ） .

Drizzle, rain, snow, hail, ice pellets, and ice crystals are all forms of （ ） ．

The presence of ice pellets at the surface is evidence that （ ） ．