10. Last year was the warmest year on record, with global temperature 0.68 ℃____ the average.
A
below
B
on
C
at
D
above
below the average “在平均值之下”，above the average “在平均值之上”，根据句意可知“去年是有记录以来最暖和的一年”故选D。average与on,at的正确搭配应为on average , at the average of。
准确记忆介词短语。
对介词短语记忆不够准确。