问题
选择题
I am writing to express my _______ for the safety of children travelling on school buses, especially those on high-risk and highway-speed routes.
A．attention
B．emotion
C．affair
D．concern
答案
答案：D
题目分析：名词辨析。A关注；B情感；情绪；C事务；D关心，担心；句意：我在写信表达我对孩子的安全地担心。故D正确。
点评：名词的词义辨析主要放在上下文的语境中进行，要注意名词的固定搭配和上下文串联。