题目内容：

Biking through my PhD

Overcoming my initial struggles in the Netherlands to start my PhD has been like riding a bike.

I ____in a hilly, seaside city in China without cycle paths, and biking was ____for me. Now, my Dutch neighbour was telling me I had to __

It took me around a month to feel __ cycling. After half a year, I was starting to enjoy it. For me, a helpful __ for dealing with Dutch traffic was to make a lot of noise as I ____: loud laughs, “look out”, “watch it” , and so on. These ____other cyclists into keeping away from me, and prevented the __ that had seemed unavoidable when I started.

This pattern, of a time of struggle ____by fun, was repeated with other ___ of my life in Utrecht. There were more “bikes” that I____ to learn how to ride. One of them was ____management. In Utrecht, I don't see people working ____time. As for working at the weekend, _____it. I initially assumed that nobody was working very hard, because of their shorter ___.

But after a few months, I ____that the other PhD students were all ___ focused on their work during that eight-hour working ____, whereas I was taking endless “ breaks” when I could have been focusing on my studies.

Cycling has become a __ of my growth, freedom and__ adjustment to PhD life in the Netherlands. And I have formed a good habit of working while I work and playing while I play.

1.A.went through B.worked out C.grew up D.got around

2.A.necessary B.dangerous C.convenient D.normal

3.A.travel B.decide C.advance D.learn

4.A.nervous B.anxious C.sensitive D.comfortable

5.A.trick B.plan C.tendency D.instruction

6.A.shouted B.jogged C.rode D.warned

7.A.cheated B.persuaded C.guided D.frightened

8.A.races B.ruins C.crashes D.competitions

9.A.followed B.presented C.supported D.appreciated

10.A.backgrounds B.occupations C.studies D.aspects

11.A.hesitated B.needed C.remembered D.failed

12.A.time B.finance C.business D.personnel

13.A.special B.regular C.extra D.valid

14.A.cancel B.forget C.select D.avoid

15.A.hours B.vacations C.weekdays D.distances

16.A.regretted B.supposed C.argued D.realized

17.A.completely B.considerately C.hurriedly D.repeatedly

18.A.practice B.section C.period D.evaluation

19.A.weakness B.symbol C.symptom D.remark

20.A.ambitious B.successful C.objective D.adventurous