leave alone 听其自然，不管 leave for 动身去，前往 leave behind 留下，忘记带
15.
You must accomplish the task within the limited time. 你们必须在限定的时间内完成这项任务。 派生词: accomplishment n. 成就，完成 6. unwilling [ʌn'wɪlɪŋ] adj.不愿意（的） unwilling n.不愿意；不情愿 To judge by the paper, the administration is unwilling even to think about this. 根据这份报告判断，本届政府对这个问题连想 都不愿意想。
break through 突破；克服
break in
break up
闯入；插话，打断
粉碎；绝交；破裂；结束
（战争）爆发；（火灾）突然 发生 闯入；突然……起来（后接 tears, laughter等） （机器）出故障；失败；使分 解；（身体）垮掉
break out
break into
break down
e.g. The United Kingdom consists of/is made up of/is composed of Great Britain and Northern Ireland. 联合王国包括大不列颠与北爱尔兰。
The beauty of the plan consists in its simplicity. 这计划的好处就在于简单易行。 What he does doesn’t consist with what he says. 他的言行不一致。
10. convenience [kən‘vinɪəns] (U) 方便，便利；（C）便利的事物或设施。 for convenience 为方便起见 at one’s convenience 在……方便的时候 for the convenience of sb. 为了方便某人 e.g. Please send me an answer at your convenience. We bought this house for convenience; it’s near the school. It is a convenience to live near the station. 住在车站附近很方便。
4.clarify ['klærəfaɪ] vt.澄清；讲清楚；阐明 clarify one’s position 阐明某人的立场 a problem/situation 澄清问题/立场 e.g. She clarified her position on the issue. 她阐明了她在该问题上的立场。 She asked him to clarify what he meant. clarification n. 澄清，阐明 5.accomplish [ə'kɑmplɪʃ] vt. 完成,实现,达到 近义词: finish/achieve/complete/fulfill e.g. I study hard in order to accomplish my purpose. 为了达到目标我努力学习。
12. historical [hɪ‘stɔrɪkl] adj.历史（上）的 history n.历史，历史学；历史记录；来历 13. enjoyable [ɪn‘dʒɔɪəbl] adj.令人愉快的 enjoy vt.欣赏，享受；喜爱；使过得快活 enjoyment n.享受；乐趣；享有 14. leave out 省去；遗漏；不考虑；不理会；忽视 e.g. You’ve left out the most important word in this sentence. 这句话你漏掉了最重要的单词。 No one speaks to him; he is always left out. 没人跟他讲话，他总是被人冷落。
搭配为：
to one’s credit
为……带来荣誉；值得赞扬；在……名下
e.g. The bank refused further credit to the company. 银行拒绝再贷款给该公司。
To his credit, Arthur gave back the money he found. 亚瑟拾金不昧，值得赞扬。
派生词： convenient adj. 方便的，便利的 搭配为： be convenient for sb./sth. 对……方便 It is convenient for sb. to do sth. 某人做某事方便。 e.g. Will it be convenient for you to start work tomorrow? 你明天开始工作方便吗？
4) The two companies decided to ___________ break up the partnership. broke out in Tangshan. 5) A big earthquake ____________
8.union [' junɪən] n.联合 student union学生会 9.credit ['krɛdɪt]
• In Beijing, there are manyattrations _________, like the Great Wall , the Summer Palace, the Tian’anmen Square. But what attracts ________ me most is the Great Wall, which is attractive to the foreigners. More also___________ and more foreigners are__________ attracted by the beauty and come to China.
7. break away (from) 挣脱；脱离；改掉，破除 Nowadays many farmers want to break away from rural life and make a living in cities. 现在许多农民都想离开农村到城里谋生。 The American southern states wanted to break away from the union. 美国南方各洲想脱离联邦。 You should break away from the bad habit. 你应该改掉这个坏习惯。
11. attract [ə‘trækt] vt.吸引 attract sb’s attention 吸引某人的注意 attract sb. to sth. 吸引某人关注某事 e.g. What first attracted me to her was her sense of humor. 他首先吸引我的是她的幽默感。 派生词：attraction n. 吸引 attractive adj. 有吸引力的； 引起注意的
break out / break down / break up / break into / break off
1) When we were out, a thief_____________ broke into our house. broke off a piece of chocolate and gave 2) She __________ it to me. broke downon the high 3) Unluckily, our car ___________ way.
3. divide [dɪ‘vaɪd] vt.分开；除以 division n. divide …into… 把……分成…… 易混辨析：divide…into… /separate…from…
divide…i 指把整体分为若干 nto… 部分，即破坏原有 的完整性 separate 指把原来连在一起 …from… 或靠近的人或事物 分割开，个体没有 遭到破坏。 He divided the apple into halves. Please separate good apples from bad ones.
1.unite [ju'naɪt] v.联合 united adj.一致的，统一的；团结的，和睦的 2.consist [kən'sɪst] vi. 组成；在于；一致。 常用搭配： consist of 由…组成;由…构成 （一般不用于进 行时和被动语态） =be made up of/be composed of consist in =lie in 在于；存在于 consist with 符合；与…一致