白术
A．主产于河南B．主产于山西、河南、河北C．主产于甘肃D．主产于四川、湖北E．主产于江苏、湖北、河南
参考答案：B
—Would you mind not littering in the classroom?
—________. I'll pick up the waste paper. [ ]
A. With pleasure
B. Thanks
C. No, not at all
D. Yes, that's it.
未曝光的彩色感光布
