题目

20．下面是无毒害室内装饰专修材料认证标识，整个标识全为绿色。请写出中间主体网内的构图要素，并说明图形寓意，要求语意简明，句子通顺，不超过80个字。（6分）                                                                                                                                                                       5. Nick is one of the most popular         (student) in our school.