Question

阅读理解 　　Yellow fever is a disease in warm lands that is found mainly along the shores of the Atlantic Ocean．It was first noticed in America, but may have come from Africa and reached the New World soon after Columbus．Yellow fever was one of the most feared diseases in the United States, where many died in repeated outbreaks．An outbreak, which was to lead to surprising development, was one that happened in Cuba during the Spanish-American War． 　　An army group under Walter Reed was sent there in June 1900 with orders to give special attention to questions about the cause and prevention of yellow fever．In many experiments, he proved the truth of an idea advanced in 1881 by a Cuban doctor that the city type of mosquitoes passed on the disease．They are born in pools of quiet and warm water, within a short distance of people’s homes． 　　So a general came to Havana with orders from the United States government to dry up these pools．He carried out the task so well that the mosquitoes disappeared．Yellow fever never returned to Havana．A few years later the same general successfully repeated this operation in Panama and in this way made the building of the Panama Canal possible．It all seemed so simple．End the mosquitoes, end the disease．Man even began to dream of getting rid of yellow fever from the world． (1) According to this passage, yellow fever mainly broke out in the following places EXCEPT ________． [　　] A． America B． Cuba C． Algeria D． England (2) Who first began to research the disease? [　　] A． An American general． B． Walter Reed． C． A Cuban doctor． D． A Cuban general． (3) An army group was sent to Cuba in June 1900 in order to ________． [　　] A． get rid of yellow fever B． build the Panama Canal C． look into the cause of yellow fever D． A and C (4) According to the passage, yellow fever ________． [　　] A． was carried to the New World by Columbus B． made the building of the Panama Canal difficult C． only broke out once in a year D． is a disease which is passed on by all kinds of mosquitoes

Answer 1

答案：1．D;2．C;3．D;4．B;
解析：

(1)	文章第一段告诉了黄热病的分布情况，可知答案为D项。
(2)	根据文章第二段第二句：“In many experiments, he proved the truth of an idea advanced in 1881 by a Cuban doctor that the city type of mosquitoes passed on the disease”可以知道是古巴的一名医生最早研究黄热病的。
(3)	依据文章的第二段的第一句：“An army group under Walter Reed was sent there in June 1900 with orders to give special attention to questions about the cause and prevention of yellow fever．”可知。
(4)	由文章最后一段的“A few years later the same general successfully repeated this operation in Panama and in this way made the building of the Panama Canal possible”, 可知黄热病的消除使巴拿马运河的修建成为可能。