题目

In general, people talk about two groups of colors: warm colors and cool colors.   36         : people who prefer warm colors and people who prefer cool colors．         37      . Where there are warm colors and a lot of light, people usually want to be active. People think that red, for example, is exciting. Sociable people, those who like to be with others, like red. The cool colors are green, blue and violet. These colors, unlike warm colors are relaxing. Where there are cool colors, people are usually quiet.    38          Red may be exciting, bu 下列四组元素中，全部属于植物生活所必需的矿质元素是 [　　] A．Mn、S、Cu、C、K B．B、Mo、Ca、N、Fe C．Zn、O、Mo、S、Ca D．Cu、Fe、P、Ca、H