问题
选择题
The Tibetans have lived in the Himalayas for centuries and have adjusted to the conditions _________.
A．at such great height
B．at such a great height
C．on such great height
D．on such a great height
答案
答案：B
考查介词短语，at such a great height“在这样的高度”，介词是at，要不定冠词，句意是：西藏人在喜马拉雅生活了几个世纪已经适应了这么高海拔的条件。选B。