题目
By nine o'clock，all the Olympic torch bearers had reached the top of Mount Qomolangma，________appeared a rare rainbow soon．（ ）A. of whichB. on whichC. from whichD. above which
By nine o'clock，all the Olympic torch bearers had reached the top of Mount Qomolangma，________appeared a rare rainbow soon．（ ）
A. of which
B. on which
C. from which
D. above which
题目解答
答案
D. above which
解析
步骤 1：确定句子结构
句子的主句为"By nine o'clock，all the Olympic torch bearers had reached the top of Mount Qomolangma"，逗号之后为非限制性定语从句，修饰先行词"the top of Mount Qomolangma"。
步骤 2：确定关系代词
非限制性定语从句中，关系代词为"which"，指代先行词"the top of Mount Qomolangma"。
步骤 3：确定介词
根据语境，彩虹出现在山顶的上方，所以介词选择"above"。
句子的主句为"By nine o'clock，all the Olympic torch bearers had reached the top of Mount Qomolangma"，逗号之后为非限制性定语从句，修饰先行词"the top of Mount Qomolangma"。
步骤 2：确定关系代词
非限制性定语从句中，关系代词为"which"，指代先行词"the top of Mount Qomolangma"。
步骤 3：确定介词
根据语境，彩虹出现在山顶的上方，所以介词选择"above"。