精选优质文档-倾情为你奉上高二下学期期中模拟试题 （命题人：张伟） 第一节：单项填空 21. Thousands of years ago, the chair was _ symbol of dignity rather than an article of _ ordinary use. A. a ; the B. a ; / C. the ; anD. the ; /22. _ some teenagers dont realize is _ difficult life can be after they get addicted to drugs.A. That ; what aB. That ; howC. What ; what aD. What ; how23. Most of them know they should cut down on fat, but knowing such a thing isnt of
