文秘英语ppt.ppt

Read the “Soil and Soil Sciences” and answer the questions below. 1. By what can a nation’s level of development be measured? Answer: By its ability to produce food and fiber. 2. Which word means “special skills or knowledge in a particular subject, which you learn by experience or training?” Answer: expertise 3. How are crop science and soil science related to each other? Answer: They are closely related to each other. 4. Can you find the word that means “very many”? Answer: myriad 5. Whose goal is it to improve the fertility and the chemical, physical, and microbial characteristics of the soil? Answer: It is the goal of the soil scientist. Read the “Soil and Soil Sciences” and answer the questions below. 6. Find the synonym, which means “a statement or opinion judging the worth, value, or condition of something” Answer: appraisal 7. What has caused us to rethink our ideas about optimum yield? Answer: The awareness of the price, both monetary and environmental, of agricultural inputs. 8. What is the meaning of the phrase “major in”? Answer: to study something as your main subject at college or university. 9. What areas of public service are many crop and soil scientists engaged in? Answer: They are engaged as seed inspectors, operators of weed control services, park and recreation. 10. Can you tell us the exact Chinese meaning of the word “knowledgeable”? Answer:知识渊博的, 有见识的 “knowing a lot” Decide whether the following statements are true of false The crop scientist’s job is to increase plant production, quality and profit by utilizing genetics, breeding and physiology. The general decline in environmental quality has affected crops as well as the soil. The rapidly increasing world population calls for expanded agricultural research, teaching and extension efforts. 4. State and federal government positions are also unavailable for students of Crops and Soil Sciences. Not only must student needs in the classrooms and laboratories be met, but farmers, r