1. 7.You are worried about rising food prices.
    7.你担心食品价格的上涨。

2. Rising at dawn, he works a full day with his regular colleagues and another three hours each evening in special study sessions.
    他黎明起床，然后和天天相见的同学们一起学习一整天，晚上还要抽出三个小时上特别辅导课，

3. Ours has more stress in it, especially in these days of rising competition and shrinking companies.
    而我们的工作则压力更大，尤其是在当今竞争日趋激烈、公司规模日趋缩小的时代。

4. Looking back on it, I find they were right, but this rising tide of change is itself the problem.
    回想一下，她们也没错，可是问题就出在这日益高涨的变化浪潮本身。