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Question 1 of 30
1. Question
……………… duties are placed on commodities according to their value.
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Question 2 of 30
2. Question
In his book childhood, an enigma, psychologist James Hutton studied ……………… in ways that parents consider irrational.
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Question 3 of 30
3. Question
…………………….about individuals who really existed and things that actually happened.
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Question 4 of 30
4. Question
Noise, in the technical sense, implies a random chaotic disturbance ……………….
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Question 5 of 30
5. Question
During the 1310’s the question of the best route for the overland transportation to the Caspian sea was …………………. in Iran.
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Question 6 of 30
6. Question
…………. wooden buildings helps to protect them from damage due to weather.
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Question 7 of 30
7. Question
Although sulfur is an indispensable constituent of all living creatures,………………..is among the least abundant of the mineral nutrients.
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Question 8 of 30
8. Question
……………………. angles of any quadrilateral always add up to 360 degrees.
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Question 9 of 30
9. Question
The Persian onager ranges over …………. other herbivores native to Iran do.
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Question 10 of 30
10. Question
Sarah Frances Whiting opened the…………………. of physics in the United States in 1878.
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Question 11 of 30
11. Question
…………………….., some of the Earth’s interior heat escapes to the surface.
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Question 12 of 30
12. Question
……………….. matter in one form is transmuted to another form, a phase change is said to have taken place.
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Question 13 of 30
13. Question
The root of some species of species of liquorice, called Shirin Bayan in Persian, yields a substance used in ……………… fabric.
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Question 14 of 30
14. Question
Both nickel and iron are whitish metals …………………..
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Question 15 of 30
15. Question
Potato is the most plentiful and — staple food.
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Question 16 of 30
16. Question
Before 8000 B. C., wheat did not grow as abundantly ……………….. it does today.
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Question 17 of 30
17. Question
Among almost seven hundred species of bamboo, some are fully grown at less than a foot high, while other can grow three feet in twenty-four hours.
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Question 18 of 30
18. Question
In the 1200s, Ru Hozi shows were performed lots, especiallyat urban parts around Iran.
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Question 19 of 30
19. Question
The invention of a cotton gin by Eit Whitney in 1793 made cotton yarn more economy than linen yarn.
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Question 20 of 30
20. Question
A share price is a price that reflects the relative supply and demand of difference currencies.
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Question 21 of 30
21. Question
Wild parrots have a well-developed systemsvocal communication
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Question 22 of 30
22. Question
Researchers have revealed that air into a house often has higher concentrations of contaminants than heavily polluted air outside.
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Question 23 of 30
23. Question
Rock decay or weathering is the results of reactions between elements in the atmosphere and the rock’s constituents.
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Question 24 of 30
24. Question
The sonometer is instrument used to study the mathematical relations of harmonic tones.
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Question 25 of 30
25. Question
The phases of the Moon have served as primary divisions of time for thousands of years ago.
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Question 26 of 30
26. Question
The clasmosaur, a giant prehistoric sea reptile with Uerce-looking jaws and flippers, had a muscular neck that accounted for much than half its length.
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Question 27 of 30
27. Question
The introduction of the power loom enabled weavers to produce yard goods faster more efficiently, and less expensive.
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Question 28 of 30
28. Question
Nature tourists visiting south Iran may get to seen sixteen the largest bear in its habitat
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Question 29 of 30
29. Question
In the 1880’s, when George Eastman first offered the Kodak camera and film, photography became a popular and individualized art.
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Question 30 of 30
30. Question
Ovanes Ohanian’s film, Abi-o Rabi, who he directed and screened in 1309, became Iran’s first silent movie.