The increase in the U. S. life expectancy is mostly due toA．declining death rates from hea

Who drew up the rules for the first private library in the U. S. ？A．The legislature###SXB#

Yellow Stone National Park is （one of) the （older) parks in the U. S. It （was established)

Compared with the country with the longest life expectancy, the U. S. isA．nearly 3 years b

Which of the following statements is NOT true？A．The U. S. life expectancy is at an all－tim

Which of the following details about the news is INCORRECT？A．In the past 10 years, U. S. p

U. S. carmakers, especially the Big Three, are in deep trouble because of the following fa