A. To transport water to higher elevation. B. To provide air-conditioning. C. To bring nutrients to the soil. D. To adjust the soil temperature.
A. hunters B. nocturnal predators C. lions and tigers D. insectivorous Vertrbrata
A. They bought her a birthday gift, B. They gave her a farewell party. C. They surprised her during the party. D. They saw her off at the airport.
A. The director is too busy to attend to your proposal right now. B. The director will help you read the proposal tomorrow morning. C. You should hand in your proposal no later than tomorrow morning. D. You can make an appointment to see the director the next day.
A. Because she was suffering from insomnia. Because she was suffering from a headache. C. Because she was suffering from a toothache. D. Because she was suffering from a stomachache.
A. Economics. B. The structure of organization. C. Policy. D. Mathematics.
A. Dentist and patient. B. Surgeon and patient. C. Physician and patient. D. Pharmacist and patient.
A. To improve the ability of zoos world-wide. B. To identify zoos suitable for conservation practice. C. To provide funds for zoos in underdeveloped countries. D. To list the endangered species of the world.
A. It is exciting and adventurous. B. It is cheap, clean and good for everybody. C. It is enjoyable and pleasant. D. It is safe, fast and economical.
A. Most of these accidents are caused by cars. B. Cyclists are not aware of traffic regulations. C. Pedestrians often walk on the bicycle lanes. D. There are too many motorists in the street.