毛 * * 积极防御思想的指导指导阶段包括（）。
A.战略防御阶段
B.战略相持阶段
C.战略反攻和进攻阶段
D.以上全对
参考答案：D
As we all know, the dove and the olive branch ______ peace. [ ]
A. present
B. mark
C. replace
D. represent
How many Americans include yoga in their fitness regiment().
A. 5,000,000
B. 15,000,000
C. 50,000,000
D. 150,000,000
