市场调查是进行（）的基础。
A.市场分析
B.市场预测
C.市场开发
D.市场结构安排
参考答案：B
While he was seeking for ways to improve the telescope, Newton made _____ discovery which
completely changed _____ man's understanding of colour. [ ]
A. a; the
B. the; a
C. a; /
D. /; the
肝硬化进一步检查
