【名词&注释】
教学方法(teaching method)、中学生(middle school students)、形容词(adjective)、课程标准(curriculum standard)、主要内容(main contents)、教学参考书(teaching reference books)、多数人(majority of people)、儿童自我意识、一段时间(a period)、指导书(guide book)
[单选题]Our __ sensitivity decreases with age. By age 60, most people have lost 40 percent of their ability to smell and 50 percent of their taste buds.
A. sensible
B. senseless
C. sensitive
D. sensory