填空题
Task 4 Directions: The following is a list of expressions used by WHO. After reading it, you are required to find the items equivalent to (与…等同) those given in Chinese in the table below. Then you should put the corresponding letters in the brackets on the Answer Sheet, numbered 51 through 55.
A—trade preference
B—technical barriers to trade
C—state trading
D—Schedules of concessions
E—Regional trade
F—pre-shipment inspection
G—customs valuation
H—bar code
I—blue box policies
J—bound tariff rates
K—Cairns Group
L—effective rate of protection
M—special and differential treatment
N—peace clause
O—mid-term review
P—cultural exception