1. The center of gravity of the human body ……………….. behind the hip joint.

2.The leaves and stems of the alfalfa plant are the only parts of the plant —.

3. — choose to live in or near metropolitan areas simply because they like the rapid pace of city life.

4. — to space travelers is high acceleration or deceleration forces.

5. Fiber optics has made many new products—.

6. The design of the wings and symmetrical shaped opals, strung into rosary,— a far higher price than the same opals sold individually.

7. Some historical Iranians would make sizable volumes — in book form.

8. Esfahan province ranks high in population — many areas are sparsely settled.

9. Allameh Dehkhoda was was an academician, author, and poets — ranked as one of the greatest of all literary figures.

10. ………………. became a province of Iran  in 1389.

11. The fragrances of many natural substances come from oils, — these oils may be used in manufacturing perfumes.

12. Because Tar is an excellent solo instrument, ———– in some important orchestral works.

13. Before Samiye Baluchi was selected as the Mayer of Sarbaz citiy  in 1394, no woman ——- run for national office in Sistan and baluchistan province.

14. ——- reaches the cells of the body, it is oxidized, or slowly burned.

15. The slide rule uses sliding scales with marks —— numbers and their logarithms.

16. The position of the larynx, or voice box, in the neck determines ……………….., swallows, and vocalizes.

17. Rebecca Latimer, a political commentator and the author of several book, was the first woman to become a United States senator.

18. Surrealist artists painted in such a manner that their pictures seem if as they came from the realm of dreams. .

19. Kandovan in Eastern Azarbayjan province incorporates three of the most large of all known cliff dwellings in Iran.

20. By studying geometry, students can learn what to develop logical arguments through dedective reasoning.

21. The word “saga” is often application to any narration of events of the past, whether mythical or historical in character.

22. The success of a naval ship is determined by its seaworthiness, speedy, and maneuverability.

23. Despite resistance in some parts of Canada, the conversion to metric measurement have been said to be largely successful.

24. The most safest way to watch a solar eclipse is for one to look at it in a mirror while wearing dark glasses.

25. Chied Joseph La Flesche, a vigorous Omaha leader, worked hardly to make his nation a proud and progressive one.

26. The diamond is the only gemstone composed with just one chemical element, carbon.

27. In 1941 Orson Welles produced Citizen Kane a film noted for its technical brilliant, structural complexity, and Literate treatment of a controversial biographical subject.

28. Wildlife conservationists say the cover that foliage provides for animals is equal in importance to the food supplying.

29. The Leyden jar was one of the earliest form of condensers invented to store an electrical charge.

30. Manure can be converted into methane gas by means the activated-sludge process of sewage disposal.