表示北纬的符号是（ ）
A．S
B．W
C．E
D．N
纬度数向北增大则为北纬，用N表示．
故选：D．
While shopping, can you resist ________to buy anything that you don't really need?[ ]
A. being persuaded
B. persuading
C. to be persuaded
D. to persuade
根据H-O模型，国际贸易的结果使各贸易参与国之间的要素报酬率___________，出现要素价格___________趋势。
A．差异缩小/均等化
B．不变／不变
C．差异缩小／不变
D．不变／均等化
