答案:
1-5DBDCB
1. 选D①see to注意，照料Who is seeing to the arrangement for the next meeting? ②prey on猎取食物，折磨An eagle preys on smaller birds. ③take on 承担(任务)She took on the task with great courage. ④get at够得着Could you get at the top shelf?
2. 选B ①work out有……好的结果I hope the new job works out for you.②work off借工作活动清除掉He often works off his anger.③work away继续In spite of all the difficulties, she worked away at her research work.④work up逐步形成，渐渐发展He worked up the firm from nothing.
3. 选D ①shortage匮乏，缺乏The work remains unfinished owing to shortage of staff.②vacancy (职位/位置的)空闲There is a good vacancy for a typist in the company.③rarity(物/现象的)很少见Rain is a rarity in the Sahara.
4. 选C ①entitle赋予，给予entitle sb to sth或entitle sb to do。If you fail three times, you are not entitled to do any more.②give可接双宾语，但直接宾语前不用介词t：You visits may give some comfort to the patient.③grant同意，准予，授予grant sth (to sb)/ grant sb sth：The general granted us permission to visit the military base.④credit相信，认为Until now I have always credited you with more sense.
5. 选B ①set one’s mind on (to) 决心要，很想要We’ve set our minds on a visit to the Great Wall.②bring sth to mind想起The photo brings to our mind the days we spent together.③give one’s mind to 注意某事物As a student, you should give your mind to stud