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四六级分数现已出了一段时刻，信赖需要再战的同学现已奔?牧督×耍≡睦涝谒牧吨惺呛苤匾囊挥行墒羌俣ù驶悴还兀崭颐翘冈睦兰记墒敲挥杏玫摹?br>
所以，今日初步，我会连载四六级中心词汇，期望我们可以从如今初步把词汇掌控厚实。
12月咱们必定可以获得一个好成果！
关于-tain有“握”的意思（-tain = hold）
中心词：
contain [k?n'tein] vt. 包容，包括
（con- 标明一起 → “一同捉住”）
retain [ri'tein] vt. 保存
（re- 标明back → “回来捉住”）
maintain [mei'tein] vt. 坚持（main- (=manu) 标明手 → “握在手里”）
entertain [ent?'tein] vt. 文娱，使…开心（enter- 标明within）
obtain [?b'tein] vt. （经过尽力）获得，获得（ob-标明加强 → “尽力捉住”）
sustain [s?'stein] vi. 撑持，支撑（sus- (=sub) 标明下 → “鄙人面撑持”）
container [k?n'tein?] n. 集装箱，容器
retention [ri'ten??n] n. 保存；拘留（留心他的动词就是retain）
maintenance ['meint?n?ns] n. 维护，坚持
entertainment [ent?'teinm?nt] n. 文娱，消遣
sustainable [s?'stein?b?l] adj. 可以忍耐的；可持续的；可以支撑的
sustainability [s?'stein?bil?ti] n. 持续性，耐久性
操练：
1. whenever he writes to his parents, he _________ a check with his letter.
(a) includes (b) contains
(c) inserts (d) encloses
2. before the invention of refrigeration, the _________ of fish and meat was a thorny problem.
(a) keeping (b) maintaining
(c) protection (d) preservation
3. his hard work _________ him a good reputation.
(a) obtained (b) acquired
(c) gained (d) earned
4. 英译中
(1) the fast-fashion industry ignores sustainability.
(2) americans today don’t place a very high value on intellect. our heroes are athletes, entertainers, and entrepreneurs, not scholars.
(3) many young adults in new jersey, where i live, begin to count down to their seventeenth birthday, the age when they receive their license. a license shows that they have earned their driving privilege, but with their privilege comes many responsibilities. financial responsibility is the most important factor when owning a car. the insurance, maintenance, and gas are all on the driver’s head.
5. 选词填空
retained maintained sustained obtained
(1) she _________ that all men and women should be treated equal.
(2) the interior of the shop still _________ a nineteenth-century atmosphere.
(3) some countries _________ large sums of foreign exchange from tourism.
jim has _________ a number of financial responsibilities for his family.
解析：
1. 答案：d。
题干粗心Ｃ拦畚他给父母写信，都会_________一张支票。
填：附上（enclose）
insert vt. 刺进，嵌入；enclose vt. 环绕，装入
2. 答案：d。
题干粗心：在制冷法创造之前，鱼和肉的_________是个扎手的疑问。
填：保存（preservation）
3. 答案：d。
题干粗心：他辛苦的作业是他_________好名声。
填：赢得（earned）
acquire vt. 获得，获得
4. 答案：
(1) 快时髦工业忽略了可持续性。
(2) 今日的美国人并不垂青智力。咱们的英豪都是运建议、演员以及公司家，而并非专家。
(3) 在我家乡新泽西州，许多年青人都期盼着17岁生日的到来，因为那意味着他们将可以考取驾照。驾照阐明他们获得了开车的权力，可是跟着这一权力的到来，他们也要承担起许多责任。关于驾御员来说，在具有一辆轿车后，最重要的是要承担起经济上的责任，其间包括想着上稳妥、修补和给轿车加油。
5. 答案：
(1) maintained (2) retained
(3) obtained (4) sustained
破题思路：一自个声称主张
后接一个从句只能用maintain（坚持认为），所以先把第1题填maintain。其次获取一笔外汇用obtain也很显着，第3题填obtain。坚持空气（retain）和以及承担责任（sustain）更契合逻辑。剩下两个答案对号入座。
操练做了吗？今日的词汇掌控了没有？
