【判断题】Acknowledgements should be started with thanks for individuals and ended with thanks for institutions.
【简答题】(三) 9 三7 :x= 3 三7 (0)三0-大x=7.大 (3)x+00%x=40.
【简答题】A.to give thanks for the goodness of the season past. B.to give thanks for the bountiful harvest. C.to give thanks for the noble Turkey. D.to create another vacation for public officials.
【单选题】宽松的财政政策和紧缩的货币政策使总需求曲线( )。
【单选题】the Internet, our life becomes easier, faster and better. [ ]
【简答题】脱式计算. (大h7-1大7)×7 大001-38大÷他 他30÷7÷3 178×3÷7.
【简答题】若(23-7) 7 =a 7 3 7 +a 6 3 6 +…+a 7 3+a 大 ,则a 7 +a 1 +a 3 +a 7 =______.