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1. There is much I enjoy about the changing seasons, but my favorite time is the ________ from fall to winter. A. transmission B. transformation转变 C. transition D. transfer full to winter秋冬过渡 3+1单词 simultaneous/spontaneous/homogeneous answer：C 2. I think we need to see an investment ________ before we make an expensive mistake. A. guide指南 B. entrepreneur企业家 C. consultant顾问 D. assessor评估者陪审法官 answer: C 3. The ________ on this apartment expires in a years time. A. treaty 协约 B. lease租约 C. engagement约定 D. subsidy 津贴补助金 answer：B 4. The elderly Russians find it hard to live on their state ________. A. pensions养老金 B. earnings C. salaries D. donations捐赠 charity慈善 charity institution慈善机构 answer：A 5. There is supposed to be a safety ________ which makes it impossible for trains to collide. | 
