The most vocal political pressure for tariffs is generally made by: A: Consumers lobbying for export tariffs B: Consumers lobbying for import tariffs C: Producers lobbying for export tariffs D: Producers lobbying for import tariffs

63.Tariffs in most US manufacturing sectors other than textiles and clothing are low by comparison with both historical and international levels.

The most vocal political pressure for tariffs is generally made by:

The "duty" in duty-free refers to________ . A: discounts B: tariffs C: interests D: bills

7, 21, 14, 21, 63, ( ), 63

七位带符号二进制数原码的数值范围为？ A: -63~+63 B: -64~+63 C: -63~+64 D: -64~+64

有10个数31、52、63、63、25、31、52、31、63、52，众数是什么？

Import tariffs and import quotas yield identical protection effects, consumption effects, redistribution effects, and revenue effects.

In 2018, regardless of tariffs imposed by the Trump administration, China’s annual trade surplus reached a record of （ ） billion.

Customs authorities are responsible for collecting tariffs and for controlling the flow of goods, overseeing the goods traffic and the people entering and leaving the country.