《黑海风暴和天气预报的产生》这个题目是不确切的。理由如次: 一、这个课题语句欠通。它是由两个偏正词组组成的联合结构。照目前的现状作字面解释,意思就是“黑海风暴的产生和天气预报的产生”,但通常“风暴”与“产生”是不能搭配的。因此,课题似应改为《黑海风暴的发生和天气预报的产生》。二、去掉《黑海风暴和天气预报的产生》这个正题,用副题《必然性和偶然性》做题 The topic of “The production of storms and weather forecasts in the Black Sea” is inaccurate. Reasons are as follows: First, the topic is not clear. It is a joint structure composed of two partial positive phrases. According to the current status quo to make a literal explanation, meaning “the production of the Black Sea storm and the emergence of weather forecast,” but usually “storm” and “production” can not be matched. Therefore, the topic seems to be changed to “The Occurrence of the Black Sea Storm and the Occurrence of Weather Forecast.” Second, remove the “Black Sea storm and weather forecast” this topic, with the subtitle “inevitability and chance”