21.stand v. 站立, v. 座落，位于 v. 经受，忍受；n. 台，座

　　²stand by—support

　　例句15.A good friend is one who will stand by you when you are in trouble.

　　²Stand up for 为…辩护，支持某人

　　²Stand for 代表，代替，意味着， mean, represent

　　²Stand up to 勇敢地面对， 坚持抵抗 face up to 经得起，resist

　　例句16.Women have significant advantages over men in space because they need less food and less oxygen and they stand up to a radiation better.

　　例句17.I believe that you are innocent of the crime and I’ll stand _____you anywhere. A. up to B. up for C. out D. for

　　²Standard n. 标准，规格 norm

　　²Standardize v. 标准化

　　²Standpoint n. 立场，观点

　　22.staple n. 主要产品； n. 订书钉

　　23.starvation n. 饥饿，饿死

　　²Starve v. 饿死，饿得慌

　　²startle 大吃一惊， v.

　　例句18.You did startle me.

　　24.state n. 国家，州；n. 情况，状态 condition

　　v. 声明，陈述

　　²statement； n. 陈述，声明； n. 财务报表

　　²Statesman n. 政治家，国务活动家 politician

　　25.station n. 车站； n. 站，局，所 ；n. 身份，地位

　　²stationary 固定的，定点的

　　²Stationery n. 文具

　　例句19.A very large cat was watching us intently from the top of the ______ car. A. motionless B. stationary C. stationery D. static