While he was investigating ways to improve the telescope, Newton made      discovery which completely

changed          man's understanding of color.[ ]

A. a; /              

B. a; the            

C. /; the          

D. the; a

新生儿甲低特点是

A．过期产，出生体重常大于4000克

B．喂养困难，拒奶，呕吐

C．皮肤发花，四肢凉，末梢循环不好

D．生理性黄疸延长

E．以上都是