barrier（）

I knew that I had broken a barrier and gotten into a new world. If the barrier of the earthquake-formed Tangjiashan lake _____, a big flood will be caused.[ ] The skin, an ____ part of your body and its largest organ, ____ as a barrier against diseases[ ] 关于brain barrier的叙述，下列哪项是正确的 Barrier to is something, either natural or manmade, that stops trade or makes trade difficult. For holidays,many people visit the Great Barrier Reef__________the northeast coast of Australia.[ ] Donald Trump has signed an executiveorder ___________ a "large physical barrier" between the US andMexico. Language can reflect unique aspects of its culture, therefore it cannot be a barrier to intercultural communication. I’d like to share a story ______ music overcomes a physical barrier and makes a connection with a young student[ ] People from all walks of life are eager for success, ______lack of confidence, however, is a great barrier. 关于血脑屏障（blood-brain barrier）的叙述下列哪项是正确的（）。 Any barrier to trade creates an economic loss, which means it does not allow the markets to function properly. For holidays, many people visit the Great Barrier Reef _____ the northeast coast of Australia, which has 700 islands Nowadays, less than 5% of Chinese English learners possess barrier-free communication skills in English（） Nowadays, less than 5% of Chinese English learners possess barrier-free communication skills in English. Off the northeastern coast of Australia is a 2000km line of coral island and reefs known as the Great Barrier Reef. A key barrier to good cross-cultural relation is____, the assumption that the ways of one’s culture are the best of doing everything（） ypical business situation,women, _______, find themselves bumping their heads on “glass ceiling”, a barrier to their careerwhich is not obvious to the observer, impossible tobreak through ypical business situation,women, _______, find themselves bumping their heads on “glass ceiling”, a barrier to their careerwhich is not obvious to the observer, impossible tobreak through. In a typical business situation, women, _______, find themselves bumping their heads on “glass ceiling”, a barrier to their career which is not obvious to the observer, impossible tobreak through.