100. na?ve a. 天真的=innocent
101. negligible a. 可以忽略不计的 the ~ cost
102. norm n. 标准 reach the ~
103. notable a. 著名的
104. notorious a. 臭名昭著的 If one has a scandal, he becomes ~
105. nourish v. 养育
106. obedient a. 顺从的 If you are ready to obey orders, you are ~
107. obscure a. 费解的，模糊不清的;不著名的Is the sentence still ~ to you?/ His name was ~ 3 years ago.
108. odor n. 气味 I smelt a strange ~.
109. offset v. 抵消 =compensate for
110. optimum a. 最佳的