We all know that it is 1to keep healthy. But not all people know2to keep healthy.
After five days' hard work, we need to have a good rest at weekends. But it seems that some don't know how to spend weekends in the right way. They enjoy3 cards at night and don’t go to bed until midnight. Some gamble (赌博) all night. They forget that to get4sleep is good for health. Some never get up early in the5 and take some exercise. It is true that doing exercise is very important for us to keep 6. Some smoke（抽烟）7. Some drink too much wine（酒）. 8 too much is harmful (有害) to the body. Some eat too much rich food and get fatter and fatter. If you are much too fat, you may always 9tired. Vegetables are good to the body. But some don’t like eating vegetables. 10is also very good to body. As a saying (谚语) goes, "An apple every day keeps the doctor away." So don’t forget to eat some fruit.

新疆是我国面积最大的省级行政单位。读图回答问题。

2016年1月份以来，A市场蔬菜价格大幅上涨。该市价格监测中心分析认为，今年冬季蔬菜价格上涨的原因主要是入冬以来的持续低温影响。其一，低温天气减缓了黄瓜、西红柿、青椒等果实类蔬菜生长发育，降低了产量；产地低温造成冬储菜保存损耗加大，影响了上市量。其二，灾害性天气频发也在一定程度上增加了运输难度，成本增加拉动了蔬菜价格不断上涨。

运用“影响价格的因素”相关知识，分析A市蔬菜价格上涨的原因。