Though different educational systems have different purposes, one thing is certain: all students should take part in examinations. ___1___ the English educational system, students take ___2___ very important ___3___. The first is the eleven-plus, which is taken at the age of eleven ___4___ past. At one time the ability ___5___ on the eleven-plus would have determined ___6___ a child stayed in school. ___7___, however, all children continue in “comprehensive”(综合性的) schools, and the eleven-plus determines which courses of study the child will follow. At the age of fif or six, the students are tested for the Ordinary Level of the General Certificate(证书) of Education. This examination covers a wide ___8___ of subjects; once students have passed this exam, they are ___9___ to specialize, so that two-thirds or ___10___ of their courses will be ___11___ physics, chemistry, classical language, or ___12___ they wish to study ___13___. The ___14___ examination, at eigh, covers only the ___15___ of the special subjects. ___16___ the universities, students study only in their concentrated area, and ___17___ students ever venture(冒险) outside ___18___ subject again; ___19___, the English boy or girl is a specialist ___20___ the age of fif. 1. A. On B. In C. To D. For 2. A. four B. three C. two D. one 3. A. subjects B. languages C. courses D. examinations 4. A. somewhat B. or else C. or so D. or rather 5. A. seen B. heard C. shown D. known 6. A. when B. if C. that D. how 7. A. But B. Then C. So D. Now 8. A. number B. part C. range D. collection 9. A. allowed B. passed C. forbidden D. admit 10. A. much B. many C. more D. most 11. A. in B. of C. with D. on 12. A. whenever B.however C.whatever D. wherever 13. A. at all costs B. at the same time C. at the least D. at great length 14. A. late B. later C. early D. final 15. A. context B. content　　 C. book D. lesson 16. A. Even so B. Even if C. Even then D. Even at 17. A. few B. no C. some D. any 18. A. that B. their C. its D. which 19. A. in any case B. in all C. in a sense D. in the end 20. A. of B. from C. at D. under