2021年MBA英语模拟试题及答案1.docVIP

2021年MBA英语模拟试题及答案1 2011年在职MBA联考英语模拟试题及答案1　　Section I Use of English　　Directions: Read the following text. Choose the best word(s) for each numbered blank and mark　　A, B, C or D on Answer Sheet 1. (10 points)　　Imagine fishermen walking down to the seashore, ready to carry out their early morning routine of preparing their boats and net. _1_ they hope for a good catch of fish. But to their _2_, a horrible sight meets their still sleepy eyes. Thousands of fish have been washed _3_ dead. The cause of this mass destruction? A red tide!　　Red tides are a global _4_. They have been observed on both the Atlantic and the Pacific coasts of the United States and Canada. They have also _5_ in many other places. Though relatively few people are _6_ them, red tides are not new.　　In the Philippines, a red tide was first seen in the province of Bataan in 1908. Since then, red tides have been seen in many other _7_. A Philippines red tide expert told us that _8_ the fish kills, the Philippines has documented 1,926 cases of dead shellfish poisoning caused by red tides.　　The term red tide _9_ the discoloration of water that sometimes occurs in certain areas of the ocean or sea. Although the color is often red, it may also be _10_ of brown or yellow. The World Book Encyclopedia reports that the discolored areas may range from _11_ a few square yards to more than 2, 600 square kilometers.　　What causes such discoloration? Red tides are generally caused by several _12_ of single-celled organisms. These tiny organisms have hair-like projections which they use to _13_ themselves in water. There are about 2,000 varieties of these organisms, 30 of which carry poisonous _14_. These minute organisms usually stay in warm waters with high content of salt.　　A red tide occurs when there is a sudden and rapid _15_ of these organisms. The concentration of these organisms may _16_ to 50, 000, 000 per quart of water! Although scientists do not fully understand why this happens, it is k