【单选题】The eight airlines of the One world alliance (联盟) have joined forces to give world travelers a simple way to plan and book a round-the-world journey. It's called the Oneworld Explorer program. Oneworl...
【简答题】The scientific world continues to be amazed by the speed of the development of cloning. Some scientists now suggest that the cloning of humans could occur in the near future. Despite the benefits of c...
【简答题】The eight airlines of the Oneworld alliance (联盟) have joined forces to give world travelers a way to plan and book a round-the-world journey. It's called the Oneworld Explorer program. Oneworld...
【判断题】The world continues to become more globalized, American countries are increasingly investing dollars abroad, and companies from countries around the world continue to invest in the international marke...
【简答题】Americans can travel almost anywhere they choose. But to protect (保护) its people, the government lists a few erous places where Americans cannot go. These places are unfriendly countries or countr...