大学英语四级完形填空练习
学而不思则罔，思而不学则殆。学习语言不仅要涉及广泛的相关知识，温故而知新也尤为重要。多做练习，可以有效的查缺补漏，夯实基础。大学英语四级完形填空练习(2)
In a telephone survey of more than 2, 000 adults, 21% said they believed the sun revolved (旋转)around the earth. An __1__ 7% did not know which revolved around__2__. I have no doubt that__3__all of these people were__4__in school that the earth revolves around the sun；__5__may even have written it __6__ at test. But they never__7__their incorrect mental models of planetary (行星的)__8__because their every day observations didn’t support __9__ their teachers told them: People see the sun moving __10__ the sky as morning turns to night，and the earth seems stationary (静止的)__11__ that is happening.
Students can learn the right answers __12__ heart in class，and yet never combined them__13__their working models of the world. The objectively correct answer the professor accepts and the__14__personal understanding of the world can__15__side by side，each unaffected by the other.
Outside of class，the student continues to use the__16__model because it has always worked well__17__that circumstance. Unless professors address__18__errors in students’personal models of the world, students are not__19__to replace them with the __20__ one.
1. excessive extra additional added
2. what which that other
3. virtually remarkably ideally preferably
4. learned suggested taught advised
5. those these who they
6. on with under for
7. formed altered believed thought
8. operation position motion location
9. how which that what
10. around across on above
11. since so while for
12. to by in with
13. with into to along
14. adult's teacher's scientist's student's
15. exist occur survive maintain
16. private individual personal own
17. in with on for
18. general natural similar specific
19. obliged likely probable partial
20. perfect better reasonable correct
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