【判断题】Import quotas are a type of non-tariff trade barrier.
【多选题】影响植物的性别分化的外界因素有:( )。
【多选题】列车区间往返行车时分与下列哪些因素有关。
【多选题】() are the barriers to international trade.
【判断题】影响性别分化的原因主要有营养条件,温度,光照和激素。
【单选题】Import quotas, customs charges, export subsidies, and discriminatory labeling are all examples of:
C.
Local participation requirements
【单选题】_____ are levied as a proportion of the value of the imported good.