B. its branches C. which's branches D. on which the branches
50.The reason __Ｃ__ he gives for not coming is that his mother won't let him.
A. for which B. which C. why
D. about which
51. The days __Ａ__ which you could travel without a passport are a thing of the past.
A. in B. on C. of D. by
52. It was in this park __Ａ__ Jackson met his girlfriend for the first time.
A. that B. where C. in which D. at which
53. I tell you this in confidence and __Ｂ__ you to secrecy.
A. oblige B. bound C. constrain
D. bind
54. Then the crowd disperses _Ｃ____ and I don't know what's up.
A. all of a sort B. all of a lump C. all of a sudden D. all of a jump
55. We had better _D___ this story before we print them.
A. check on B. check in C. check at D. check out
56. From the first he had the _B___ that liberal spending was better.
A. release B. notion C. reflection D. protest
57. This ware is suitable for decorative purpose but unsuitable for __Ｃ__.
A. facility B. utilization C. utility D. validity
58. They __Ｄ__ more enthusiastic about their work since their teacher's return.
A. are B. were C. had been D. have been
59. I had to meet my mother at the railway station as she _Ａ___ before.
A. had never been here B. has never been here C. has never come here D. had never come here
60. Such __Ｄ__ the case, there were no grounds to justify your complaints.
A. was B. had been C. would be D. being
A final common thread in philosophical accounts of friendship is shared activity. The background intuition is this: never to share activity with someone and in this way to interact with him is not to have the kind of relationship with him that could be called friendship, even if you each care for the other for his sake. Rather, friends engage in joint pursuits, in part motivated by the friendship itself. These joint pursuits can include not only such things as making something together, playing together, and talking together, but also pursuits that essentially involve shared experiences, such as going to the opera together. Yet for these pursuits to be properly shared in the relevant sense of \cannot involve activities motivated simply by self interest: by, for example, the thought that I'll help you build your fence today if you later help me paint my house. Rather, the activity must be pursued in part for the purpose of doing it together with my friend, and this is the point of saying that the shared activity must be motivated, at least in part, by the friendship itself.
This raises the following questions: in what sense can such activity be said to be \,\what is it about friendship that makes shared activity so central to it? The common answer to this second question (which helps pin down an answer to the first) is that shared activity is important because friends normally have shared interests as a part of the intimacy that is characteristic of friendship as such, and the \therefore an important part of friendship.