11.They’ve ________ us $150,000 for the house. Shall we take it?

　　A.provided B.supplied C.shown D.offered

　　12.John was late for the business meeting because his flight had been ________ by a heavy storm.

　　A.kept B.stopped C.slowed D.delayed

　　13.Happy birthday, Alice! So you have ________ twenty-one already!

　　A.become B.turned C.grown D.passed

　　14.They see you as something of a worrier, ________ problems which don’t exist.

　　A.settling B.discovering C.seeing D.designing

　　15.Hospital staff burst into cheers after doctors completed a 20-hour operation to have ________ one-year-old twins at the head.

　　A.isolated B.separated C.divided D.removed

　　答案

　　11.【答案】D。解析：句意：他们为我们提供了十五万美金买房子，我们要么?offer提供，跟双宾语，即offer sb. sth.;provided提供，固定搭配为provided sb. with sth./provide sth. for sb.;supply提供，搭配为supply sb. with sth./supply sth. to sb.;show展示，虽然跟双宾语但意义不合题。故本题答案选D。

　　12.【答案】D。解析：句意：约翰业务会议迟到了，因为他的航班被暴风雨延误了。kept保持;stop停止;slow放慢;delay延迟。故本题答案选D。

　　13.【答案】B。解析：句意：爱丽丝，生日快乐!你已经21岁了!turn到达或过了(例如，一定的年龄);become变成，成为，变得;grow成长，渐渐变得，增长，增高;pass经过，变化，超过。根据Happy birthday, Alice!得知B最佳。故本题答案选B。

　　14.【答案】C。解析：句意：他们把你看作杞人忧天的人，幻想一些不存在的问题。settle解决;discover发觉;see看见;design设计，构思。关键是which don’t exist决定了要选择“想象，幻想”的含义，选seeing(此处为引申义)。故本题答案选C。

　　15.【答案】B。解析：句意：当医生经过20小时的手术把一岁的孪生儿的头部分离时，医院的全体工作人员举杯欢庆。isolated隔离，孤独;separated分离，分开;divided分成几份，removed离开，远离，故本题答案选B。