一、记忆背诵
1 sure [???(r), ???(r)] a. 确信，肯定 ad. (口语)的确，一定，当然
be sure of (doing) sth 一定会做某事 be sure to do sth 务必做某事
make sure 确保；查明 for sure 肯定；当然 to be sure 诚然；固然
2 surf [s??f] n 激浪; 拍岸浪花 v. 进行冲浪运动; 冲浪 surf the Internet上网；网上冲浪
3 surface [?s??f?s] n. 表面
4 surgeon [?s??d?(?)n] n. 外科医生
5 surgery[?s??d??ri] n.外科手术；外科学
6 surprise [s??pra?z] vt. 使惊奇,使诧异 n. 惊奇,诧异
to one’s surprise 使某人吃惊的是 in/with surprise 惊奇地
take …by surprise 使……出其不意；突袭 come as no surprise 不足为奇
7 surround [s??ra?nd]vt. 围绕；包围
be surrounded with /by 被……围着 surround yourself with 与……为伍，和……在一起
8 surrounding [s??ra?nd??] a. 周围的
9 survey [?s??ve?] n. 民意调查; 民意测验 v. 查看; 审视
conduct / carry out / do a survey 进行调查
10 survive [s??va?v] v.生存，存活，幸免于难
11 suspect [s??spekt] n. 犯罪嫌疑人 suspect sb of doing sth 怀疑某人做某事
12 suspend [s??spend] v. 悬；暂停；中止
13 sustain [s??ste?n] v. 维持；使保持
14 sweat [swet] n. 汗，汗水
15 sweater [?swet?(r)]n. 厚运动衫，毛衣 ‐u003c/span>
16 sweep (swept, swept) [swi?p] v. 扫除，扫
sweep away 消灭；彻底消除 sweep up 打扫；清扫
17 sweet [swi?t] n. 甜食；甜点；糖果 a.甜的；新鲜的；可爱的
have a sweet tooth 爱吃 No sweat, no sweet. 不劳则无获。
18 swim [sw?m] n. 游泳，游 vi. (swam, swum) 游泳,游
19 swimming [?sw?m??] n. 游泳 swimming pool 游泳池
20 swing [sw??] vt. 挥舞，摆动 n. 秋千
21 switch [sw?t?] v./ n. 开关,转换,改变
swtich to 转向；改变 switch on /off 打开/关掉
22 symbol [?s?mb(?)l] n. 象征
23 sympathy [?s?mp?θ?] n. 同情 have sympathy for sb同情某人
24 symphony [?s?mf?n?] n. 交响乐
25 system [?s?st?m] n. 体系；系统
26 table [?te?b(?)l] n. 桌子，表格 table manners 就餐礼仪
at the table 坐在餐桌旁 at table 在用餐；在吃饭
book / reserve a table 预定餐桌 lay / set the table 摆放餐桌
27 tablet [?t?bl?t] n. 药片; 片剂
28 tackle [?t?kl] v. 应付，处理，解决
29 tail [te?l] n. (动物的)尾巴
30 tailor [?te?l?(r)] n. 裁缝 v. 专门制作; 订做 be tailored to do sth 专门做……；目的是……
二、词性转换
1 sure (adj.)确信，肯定 (adv.) (口语)的确，当然–surely (adv.) 一定；必定
2 surgeon (n.)外科医生–surgical (adj.)外科的–surgery (n.) 外科手术
3 surprise (vt.)使惊讶 (n.)惊讶–surprised (adj.)感到惊讶的–surprising (adj.)令人惊讶的–surprisingly (adv.) 使人吃惊地；出人意料地
4 surround (vt.)围绕; 环绕–surrounding (adj.) 周围的;附近的–surroundings (n.)周围环境
5 survive (vt.)幸存; 幸免于难–survival (n.)幸存–survivor (n.)幸存者
6 suspend (v.) 悬；暂停；中止–suspension (n.) 暂停；中止
7 sustain (v.) 维持；使保持–sustainable (adj.) 可持续的
8 sweat (n.)汗–sweaty (adj.) 满是汗的
9 sweet (adj.)甜的–sweetly (adv.)甜蜜地
10 swim (v.)游泳–swimming (n.)游泳–swimmer (n.) 会游泳的人
11 symbol (n.)标志; 象征–symbolic (adj.) 象征性的–symbolize (vt.)象征; 作为……的象征– symbolism (n.) 象征手法
12 sympathy (n.)同情; 怜悯–sympathetic (adj.)同情的
13 system (n.)制度; 系统–systematic (adj.)系统的–systematically (adv.) 有系统地
