27.People working 10 or 11 hours a day are more likely to suffer from heart problems than_____ who go off duty after seven hours.

A.those B.that C.these D.them

28.Tom has two cousins, and ______ are engineers.

A. both of whom B. both of them C. none of them D. either of them

29.From the day we enter _____ University, we know _____ fierce competition for jobs is awaiting us upon graduation.

A. an, a B. /, a C a, / D. the, /

30.Tom succeeded, for he had made a great ______ and got over plenty of difficulties.

A. progress B. force C. energy D. effort

31.You’d better not bring your small son along, for this party is _____for only adults.

A. available B. approachable C. automatic D. appropriate

32.---Let’s go outing this weekend, shall we?

---_______. I love getting close to nature.

A. I couldn’t agree more B. I’m afraid not C. I believe not D. I don’t think so

33.-Are you going to take the job?

-Certainly, though the salary is not so good. ，you know.

A.A bird in the hand is worth two in the bush

B.A golden key can open any door

C.Actions speak louder than words

D.Better late than never

34.I was lying in bed last night when I felt the house______. Then everything became silent.

A. shaking B. shakes C. shook D. to shake

35.--What did he say in_______ of his stupid behavior?

--He admitted having made a serious mistake.

A. explanation B. favor C. case D. fear