大学英语四级模拟.doc

Model Test One Part I Writing (30 minutes) Directions: For this part, you are allowed 30 minutes to write a short essay entitled My View on Cyber Language. You should write at least 20 words following the outline given below. 1 网络语越来越流行 2 不同的人有不同的看法 3 我认为厖 g Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1 - 7, choose the best answer from the four choices marked A), B), C) and D). For questions 8-10,complete the sentences with the information given in the passage. The Global Food Crisis and Thomas Malthus Last year the skyrocketing cost of food was a wake-up call for the planet. Between 2005 and the summer of 2008, the price of wheat and com tripled, and the price of rice climbed fivefold, spurring food riots in nearly two dozen countries and pushing 75 million more people into poverty. But unlike previous shocks driven by short-term food shortages, this price spike came in a year when the worlds farmers reaped a record grain crop. This time, the high prices were a symptom of a larger problem tugging at the strands of our worldwide food web, one thats not going away anytime soon. Simply put: for most of the past decade, the world has been consuming more food than it has been producing. After years of drawing down stockpiles, in 2007 the world has seen global carryover stocks fall to 61 days of global consumption, the second lowest on record. Agricultural productivity growth is only one to two percent a year, warned Joachim von Braun, director general of the International Food Policy Research Institute in Washington, D.C., at the height of the crisis. This is too low to meet population growth and increased demand. Retrospection: Malthus Theory Ever since our ancestors gave up hunting and gathering for plowing and planting some 12, 000 years ago, our numbers have marched corresponding with our agr