Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate answer choice for each blank.
下面的文本有一些空格。点击每个空格会出现一组选项，请为每个空格选出最合适的答案。
Since Austria sits at a high elevation and spends a quarter of the year under , it should come as no surprise that heating is a matter of considerable in the country. What may be surprising, however, is that Vienna—a grand imperial city of music, art, and history—actually boasts a museum specifically to heating systems.
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