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Choice of Lesson (Bấm chuột vào ô sổ xuống bên dưới và chọn bài kiểm tra)
1. Almost everyone fails ________ on the first try.
2. Van Gogh's "Sunflowers" ________ $39.9 million, three times the previous record.
3. ________, human beings have relatively constant body temperature.
4. Alfred Adams has not ________.
5. This year will be difficult for this organization because ________.
6. The fact that space exploration has increased dramatically in the past thirty years ________.
7. ________ is necessary for the development of strong bones and teeth.
8. Frost occurs in valleys and on low grounds ________ on adjacent hills.
9. ________ the fifth largest among the nine planets that make up our solar system.
10. Only rarely ________ neuroses leave a person unable to function in everyday situations.
11. Anxiety about uncontrollable situations is thought to cause ________.
12. Most stores in large American cities close ________ five or six o'clock on weekdays, but the malls in the suburbs stay open much later.
13. Since more than 50 percent of all marriages in the United States end in divorce, about half of the children in America must ________ in single-parent homes.
14. ________ is an ancient source of energy.
15. Charlie Chaplin was a comedian ________ was best known for his work in silent movies.
16. In a parliamentary system, it is not the monarch but the prime minister ________ .
17. Geomorphology is the study of the changes that ________ on the surface of the earth.
18. In New England ________ picturesque fishing villages and manufacturing towns.
19. ________ all citrus fruit originated with the Chinese orange.
20. Most Americans don't object ________ them by their first names.
1. The evolution of vertebrates suggests development from a very simple heart in fish to a ________ in man.
2. She didn't know ________ when his boss called.
3. John's score on the test is the highest in the class; ________.
4. North Carolina is well known not only for the Great Smoky Mountains National Park ________ for the Cherokee Indian settlements.
5. After the assassination attempt, President Reagan's doctor suggested that he ________ a short rest at Camp David.
6. When sugar ________ to yeast, fermentation takes place.
7. A good student must know________
8. Richard was asked to withdraw from graduate school because ______
9. Once an offending allergen has been identified ________ tests, it is possible for the doctor to give specific desensitizing injections.
10. One of Shaw's ________, "Pygmalion", was the story that formed the basis for the musical play "My Fair Lady".
11. Not only ________ atoms with their microscopes, but they now can also "feel" them with the aid of a versatile sensing device called the "magic wrist."
12. Groups of tissues, each with its own function, ________ in the human body.
13. The Immigration and Naturalization Service often ________ their visas if they fill out the appropriate papers.
14. It is necessary ________ the approaches to a bridge, the road design, and the alignment in such a way as to best accommodate the expected traffic flow over and under it.
15. ________, the outer layer of the skin, contains pigments, pores, and ducts.
16. Rarely ________ acorns until the trees are more than twenty years old.
17. Children usually turn to their parents rather than ________ for protection from threats in the environment.
18. Malaria, which can be fatal if left untreated, is transmitted by the female, ________ by the male, mosquito.
19. Indiana University, one of the largest in the nation, is located ________ town.
20. ________ the best car to buy is a Mercedes Benz.
