在观察装片时,由低倍镜换成高倍镜,细胞大小、细胞数目、视野亮度的变化[ ]
A.变大、变少、变暗
B.变大、变多、变亮
C.变小、变多、变暗
D.变小、变多、变亮
答案:A
2009年12月28日,河南省文物考古研究所在安阳抢救性发掘了一座东汉大墓,经考证,确定为曹操高陵,一时成为媒体关注的焦点。下列与曹操无关的是[ ]
A.招募农民垦荒,组织士兵耕田
B.官渡之战
C.挟天子以令诸侯
D.三顾茅庐
When I saw her again ten years later, she had changed a lot and looked different _____ she used to be. [ ]
A. what
B. from what
C. in what
D. from