2012年12月大学英语六级词汇专项模拟(3)

　51. There is much I enjoy about the changing seasons, but my favorite time is the ______ from fall to winter.
A) transmission
B) transformation
C) transition
D) transfer
注：1. transmission 广播电视节目的传送；疾病的传播；文化的传递
2. transformation 变革
3. transition 季节的过度，时间的更替，社会制度的转型
4. transfer 转学，调任工作
52. I think we need to see an investment ______ before we make an expensive mistake.
A) guide
B) entrepreneur
C) consultant
D) assessor
注：consultant 顾问
53. The ______ on this apartment expires in a year’s time.
A) treaty wｗw.ExamＷ.CoM
B) lease
C) engagement
D) subsidy
注：lease 租约
54. The elderly Russians find it hard to live on their state ______.
A) pensions
B) earnings
C) salaries
D) donations
注：pensions 养老金
55. There is supposed to be a safety ______ which makes it impossible for trains to collide.
A) appliance
B) accessory
C) machine
D) mechanism