5. Books in European libraries last longer than books on libraries in the United States because, although the climate in European is fairly humid, libraries there are not subjected to the extremes of temperature and humidity that damage collections in United States. a. because, although the climate in European is fairly humid, libraries there are not subjected to the extremes of temperature and humidity that b. because, although the climate in European is fairly humid, libraries there are not subjected of the extremes of temperature and humidity as those that c. because, although the climate in European is fairly humid, libraries there are not subjected to the extremes of temperature and humidity as d. because the climate in European is fairly humid, but still libraries there are not subjected of the extremes of temperature and humidity as e. because the climate in European is fairly humid, but still libraries there are not subjected of the extremes of temperature and humidity such as those that
AC中that /as分别做什么结构??? |