植物体内水分向上运输的“动力”主要是 [ ]
A.吸收作用
B.光合作用
C.呼吸作用
D.蒸腾作用
答案:D
When the cooking class changed to Tuesday,I had to_________so that I could________my
daughter from her piano lessons.[ ]
A.drop in;pick up
B.drop off;pick up
C.drop out;pick up
D.drop by;pick out
下列项目中,应计入出口货物完税价格的是()。
A.离境口岸至境外口岸之间的保险费
B.离境口岸至境外口岸之间的运输费
C.工厂至离境口岸之间的运输费、保险费
D.出口关税