打样分为（）打样和数字打样两种类型。
A.模拟
B.仿真
C.原稿
D.胶版纸
参考答案：A
求值sin2840°+cos2540°+tan225°-cos2（-330°）+sin（-210°）．
—How was your weekend, Jeff?
—I had great ______ watching a football game. [ ]
A. interest
B. time
C. fun
