下列地形区中,都位于我国北方地区的是()。
A、黄土高原、内蒙古高原
B、华北平原、东北平原
C、东北平原、云贵高原
D、长江中下游平原、四川盆地
参考答案:B
Which of the following is not one of the responsibilities of the Tariff Commission ().
A. To formulate the guideline for drawing up the regulations
B. To set temporary tariff rates
C. To levy Customs tariffs on imports & exports
D. To examine the draft of the amendment to tariff
药品广告内容应该以什么为准?