2024年甘肃专升本英语真题

　　A. The image we see usually stays longer than it actually appears.

　　B. We see an object in comparison with movies

　　C. The eyes catch million pieces of information continuously

　　D. rods and cones send messages 24 times a second

　　Passage 3

　　slightly backward position, with his face clear of the water, even when the wearer is exhausted or unconscious.

　　The method of adjustment to the body should be simple and self-evident to uninitiated persons e ven in the dark under the confused conditions, which follow a disaster. Thus, the life be reversible that it is nearly impossible to get it on wrong. Catches, straps, and ties should be kept to a minimum.83. In ad dition. the life preserver must be adjustable to the wide variety of shapes and sizes of wearers, since this greatly affects the position of floating and the self-righting qualities. A suitable life also be comfortable to wear at all times, in and out of the water, not so heavy as to encourage to take it off on shipboard

　　while the ship is in danger, nor so burden so me that it hinders a person in the water while trying to swim.

　　11. According to the passage, a life be first of all

　　A. adjustable

　　B. comfortable

　　C. self-evident

　　D. self-righting

　　12. United States Coast Guard does NOT require the life preserver to be made

　　A. with as few strings as possible

　　B. capable of being wor n on both sides

　　C. according to each wearer's size

　　D. comfortable and light to wear

　　13. By "the uninitiated individual" (Pars. 1, Line.4) the author refers to the person

　　A. who has not been instructed how to use a life preserver

　　B. who has a little experience in using a life preserver

　　C. who uses a life preserver without permission

　　D. who becomes nervous before a disaster

　　14. What would happen if a person were supported by the life preserver in a wrong position?

　　A. The waves would move him backwards.

　　B. He would be turned to an upright or sightly back ward position.

　　C. He would not be hindered in the water while trying to swim.

　　D. He would be exhausted or unconscious

　　15. The main purpose of this passage is to explain

　　A. the price of life preservers

　　B. the design of life preservers

　　C. the materials for life preservers

　　D. The booyancy of life preservers

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