题目

阅读短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。 Many of us love July becauseit's the month when nature's berries and stone fruits are in abundance. These colourfuland sweet jewels form British Columbia's fields are little powerhouses of nutritionalprotection. Of the common berries, strawberries are highestin vitamin C, although, because of their seeds, raspberries contain a little moreprotein (蛋白质), iron and zinc (not that fruits have much protein).Blueberries are particularly high in antioxidants (抗氧化物质). The yellow and orange stone 解下列方程组：（每小题3分，共6分）（1） （2）