偿还期在1年以上10年以下的国债被称为 ( )
A．短期国债 B．中期国债C．长期国债 D．无期国债
参考答案：B
媒体材料种类的选择要根据目标人群接受信息的习惯和条件，也要根据（）
A.受众能力
B.经费允许
C.政府支持
D.选择媒体
E.受众需求
—Why didn't Mr. Smith give you one of his newlypublished books?
—I didn't want one, but he would have given me one if I ________. [ ]
A. did
B. would
C. will
D. had
