【简答题】Research into the material culture of a nation’s of great importance ________. A) it helps produce new cultural tools and technology B) it can reflect the development of the nation C) it helps underst...
【简答题】阅读理解。 The new dollar coin honors Thomas Jefferson, the nation's third president. The nation's first president, George Washington, was honored with a similar coin in February. A coin honoring second pr...