题目

When the cooking class changed to Tuesdays, I had to ____ so that I could ___ my daughter from her piano lessons. A. drop in ,pick out    B. drop off ,pick up C. drop out, pick up    D. drop by, pick out 答案：C8．图1中，①、②两地纬度相当，但①地形成了温带森林景观，②地却形成了温带荒漠景观．造成这种差异的主要原因是（　　）A．地形阻挡作用B．不合理的人类活动C．海路分布的差异D．太平洋远大于大西洋