Industrial output has grown by an average of（）annually since tariff barriers were eliminated in 1977.
透过屏障（permeability barrier）
The Great Barrier Reef is included on the World Heritage list because（）
The primary barrier of a bulk carrier is formed by（）.
关于血脑屏障（blood-brain barrier）的叙述下列哪项是正确的（）。
堡礁（barrier reef）
遮栏（barrier）
According to the course, although psychological barriers are ________, they can be just as impenetrable as more obvious barriers, such as language differences.
According to the video, what is not the reason that causes college students to have a speaking barrier?
By 1950, the Pacific was no more of a barrier to trade than the Atlantic had been a century earlier.
Culture is another barrier to communication, because the codes, context, meaning, and expectation may differ（ ）
Language can reflect unique aspects of its culture, therefore it cannot be a barrier to intercultural communication.
Probably the greatest single barrier to effective communication is the
The Great Wall posed a barrier to the communication between the north and the south.
Which country has the world’s largest barrier reef system?
4. Throughout the world, there is a _____ towards liberalising trade and _____ trade barriers.
Customs and manners are one of the social-cultural barriers.
The speaker thinks that the barriers used to stop the water should last 100 years.
blood-brain barrier
词语翻译：tariff barrier
The "last barrier"（Para. 3) mentioned in Melano's e-mail refers toA．the old culture of cur
ticket barrier
In reality, the so-called "free trade agreements" may actually create their own barriers to a free market.
Cultural differences can be communication barriers.（)
