题目内容
When backpackers first hit the _______ in the 1970s, they were seen as an antidote to sterile package tours, a return to travel independently as exploration and adventure.
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Either Congress or the Food and Drug Administration has specifically ________ a certain treatment, or perhaps it is still in the testing and clinical trials stage or was only recently approved.
A California court last month accepted Apple's requests to block sales of Samsung's mobile devices that are _______ infringing the company's intellectual property.
The prospect that the certer will not hold and the confederation _____ will prolong economic stagnation by discouraging both foreign and domestic trade and investments.
The chronic European debt crisis is _____ on demand in Europe, North America and China, which are key markets for manufacturers of personal computers, televisions, mobile phones and home appliances.
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