单选题 Such experience helps promote one"s alertness to other cultures, as well as a better appreciation of one"s own culture.

【正确答案】 C

【答案解析】[解析] preference“偏爱”；adjustment，“调整”；sensitivity“警觉，警惕”；response“反应”。这里同时需要选择和appreciation(欣赏)相对的词，故选C。