冬季气温骤升。

Winter brought a sudden ___rise in temperature.

政府很担忧，因为通货膨胀正在加剧。

The government is worried as inflation is ___on ___the ___rise.

研究表明胃溃疡病例正在增加。

Studies show that cases of stomach ulcers are ___on ___the ___rise.