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发布时间:2024-05-10 22:40:26

[单项选择]Passage Four
A mysterious phenomenon is the ability of over-water migrants to travel on course. Birds, bees, and other species can keep track of time without any sensory cues from the outside world, and such "biological clocks" clearly contribute to their "compass sense." For example, they can use the position of the Sun or stars, along with the time of day, to find north. But compass sense alone cannot explain how birds navigate the ocean: after a flock traveling east is blown far south by a storm, it will assume the proper northeasterly course to compensate. Perhaps, some scientists thought, migrants determine their geographic position on the Earth by celestial navigation, almost as human navigators use stars and planets, but this would demand of the animals a fantastic map sense. Researchers now know that some species have a magnetic sense,
A. east
B. north
C. northwest
D. south

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[单项选择]Passage Four
A mysterious phenomenon is the ability of over-water migrants to travel on course. Birds, bees, and other species can keep track of time without any sensory cues from the outside world, and such "biological clocks" clearly contribute to their "compass sense." For example, they can use the position of the Sun or stars, along with the time of day, to find north. But compass sense alone cannot explain how birds navigate the ocean: after a flock traveling east is blown far south by a storm, it will assume the proper northeasterly course to compensate. Perhaps, some scientists thought, migrants determine their geographic position on the Earth by celestial navigation, almost as human navigators use stars and planets, but this would demand of the animals a fantastic map sense. Researchers now know that some species have a magnetic sense,
A. migration over land requires a simpler explanation than migration over water does
B. the means by which animals migrate over water are complex and only partly understood
C. the ability of migrant animals to keep track of time is related to their magnetic sense
D. knowledge of geographic location is essential to migrants with little or no compass sense
[单项选择]A mysterious phenomenon is the ability of over-water migrants to travel on course. Birds, bees, and other species can keep track of time without any sensory cues from the outside world, and such "biological clocks" clearly contribute to their "compass sense." For example, they can use the position of the Sun or stars, along with the time of day, to find north. But compass sense alone cannot explain how birds navigate the ocean: after a flock traveling east is blown far south by a storm, it will assume the proper northeasterly course to compensate. Perhaps, some scientists thought, migrants determine their geographic position on the Earth by celestial navigation, almost as human navigators use stars and planets, but this would demand of the animals a fantastic map sense. Researchers now know that some species have a magnetic sense, which might allow migrants to determine their geographic location by detecting variations in the strength of the Earth’s magnetic field.
The main idea of
A. migration over land requires a simpler explanation than migration over water does
B. the means by which animals migrate over water are complex and only partly understood
C. the ability of migrant animals to keep track of time is related to their magnetic sense
D. knowledge of geographic location is essential to migrants with little or no compass sense
[单项选择]Passage Four

What is this passage about a. The development of computer technonogy. b. The development of Symantec Corporation. c. Cyber attacks. d. Computer techniques.
[单项选择]

Passage Four


Roger lived in the city of London, and his hair was always cut by the same old man. He always cut Roger’s hair as Roger liked it, and while he was doing it, the two men talked about football.
One day, when Roger was sitting in his chair, and his hair was being cut as usual, the old man said to him, "Roger, I’m going to be seventy years old next month and I feel tired, so I’m going to sell my shop to a young man. He liked to cut hair for people."
Roger was sorry to hear that, because he enjoyed talking to the old man, and he was also worried that his hair would not be cut as well by the new young man as it had been for so many years by his old friend.
He went to the shop again the next month, and the new young man was there. He cut Roger’s hair, bu
A. A
B. B
C. C
D. D
[单项选择]Passage Four
Ad. A
Embassy Vacation Resorts California, Florida and Hawaii

At the Embassy Vacation Resorts, our vacation ownership allows you to enjoy all the comforts of home in our one-, two-and three-bedroom vacation villas varying in floor space from 500q-to 1,5004-square feet with most resorts providing fully-equipped kitchens.
The resorts are in prime locations with serene settings--allowing you to enjoy the convenience of being just minutes from Orlando’s Walt Disney World Resort to the tropical beaches of Maul.
A variety of amenities are offered at all resorts--some of which include pools and waterfalls, restful and relaxing views--all capturing the natural setting of each location and convenient to local attractions and recreation.
Our resorts differ from the Embassy Suites Hotels
A. using the owner’s private kitchen
B. cooking for themselves
C. enjoying peaceful environment
D. easily going to beaches
[单项选择]

Passage Four

President George W. Bush
布什总统
George W. Bush is the 43rd President of the United States. He was sworn into office on January 20, 2001, re-elected on November 2, 2004, and sworn in for a second term on January 20, 2005. Prior to his Presidency, President Bush served for 6 years as the 46th Governor of the State of Texas, where he earned a reputation for bipartisanship and as a compassionate conservative who shaped public policy based on the principles of limited government, personal responsibility, strong families, and local control.
President Bush was born on July 6, 1946, in New Haven, Connecticut, and grew up in Midland and Houston, Texas. He received a bachelor’s degree in history from Yale University in 1968, and then served as an F-102 fighter pilot
A. involving two political parties in his administration
B. representing two political parties
C. working for the interests of two political parties
D. supporting two political parties

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