Part A : Choose the best answer for each question.

1. Professional people expect ………… when it is necessary to cancel an appointment.

2. In a new culture, many embarrassing situations occur ……….. a misunderstanding.

3. Sedimentary rocks are formed below the surface of the Earth …………. very high temperatures and pressures.

4. A computer is usually chosen because of its simplicity of operation and ease of maintenance …………. its capacity to store information.

5. …………… that gold was discovered at Sutters`s Mill and that the California Gold Rush.

6. Frost occurs in valleys and on low grounds ………… on adjacent hills.

7. When a body enters the Earth`s atmosphere, it travels …………… .

8. Employers often require that candidates have not only a degree ………… .

9. The salary of a bus driver is much higher ………….. .

10. Farmers look forward to ………… every summer.

11. After seeing a movie based on a novel, ………….. .

Part B : Read the following sentences. In each sentence, choose the underline word or group of words that is NOT correct.

12. Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

13. As the demand increases, manufactures who previously produced only a large, luxury car is compelled to make a smaller model in order to compete in the market.

14. There are twenty species of wild roses in North America, all of which have prickly stems, pinnate leaves, and large flowers, which usually smell sweetly.

15. Factoring is the process of finding two or more expressions whose product is equal as the given expression.

16. Schizophrenia, a behavioral disorder typified by a fundamental break with reality, may be triggered by genetic predisposition, stressful, drugs, or infections.

17. If Grandma Moses havig been able to continue farming, she might never have begun to paint.

18. Although the Red Cross accepts blood from most donors, the nurses will not leave you give blood if you have just had a cold.

19. The native people of Americas are called Indians because when Columbus landed in the Bahamas in 1492, he thought that he has reached the East Indies.

20. In the relatively short history of industrial developing in the United States, New York City has played a vital role.

21. A turtle differs from all other reptiles in that its body is encased in a protective shell of their own.

22. Excavations in a mound or village often reveal an ancient community that had been laying under later reconstructions of the city.

23. One of the first and ultimately the most important purposeful of a reservoir was to control flooding.

24. One of the world`s best-selling authors, Louis L`Amour said to have written 101 books, mostly westerns.

25. No other quality is more important for a scientist to acquire as to observe carefully.