学了三角形和长方形的面积公式之后,再学梯形的面积公式就比较顺利。这种迁移是( )
A. 零迁移
B. 逆向迁移
C. 负迁移
D. 正迁移
查看答案
Choose the correct word for the given Chinese._______免费赠送的
A. complimentary
B. complementary
Choose the correct word for the given Chinese._______衬垫
A. backing
B. backee
Choose the correct word for the given Chinese._______领款人
A. payer
B. payee
Choose the correct word for the given Chinese._______海归
A. returner
B. returnee
微信支付 
支付宝支付