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单选题 Sound waves reflected from a hill can be used to estimate the ________
学科：新融合大学英语(I)
时间：2024-12-16 00:07:53
相关题目
题目1单选题
Although heroes may come from different cultures, they ______A. generally possess certain inspiring characteristicsB. probably share some weaknesses of ordinary peopleC. are often influenced by previous generationsD. all unknowingly attract a large number of fans
题目2单选题
According to the passage, heroes are compared to high-voltage transformers in that ______A. they have a vision from the mountaintopB. they have warm feelings and emotionsC. they can serve as concrete examples of noble principlesD. they can make people feel stronger and more confident
题目3单选题
Madonna and Michael Jackson are not considered heroes because ______A. they are popular only among certain groups of peopleB. their performances do not improve their fans morallyC. their primary concern is their own financial interestsD. they are not clear about the principles they should follow
题目4单选题
Gandhi and Martin Luther King are typical examples of outstanding leaders who ______A. are good at demonstrating their charming charactersB. can move the masses with their forceful speechesC. are capable of meeting all challenges and hardshipsD. can provide an answer to the problems of their people
题目5单选题
The author concludes that historical changes would ______A. be delayed without leaders with inspiring personal qualitiesB. not happen without heroes making the necessary sacrificesC. take place if there were heroes to lead the peopleD. produce leaders with attractive personalities
题目6单选题
Research universities have to keep up with the latest computer and scientific hardware ________ priceA. on account ofB. regardless ofC. in light ofD. in accordance with
题目7单选题
Sound waves reflected from a hill can be used to estimate the ________A. height of the hillB. speed of soundC. distance to the hillD. intensity of sound
题目8单选题
The estimate is based on the ________A. direction of the hillB. accepted speed of soundC. interval between sound and echoD. both "accepted speed of sound" and "interval between sound and echo"
题目9单选题
Practical application of this principle resulted in ________A. new electronic instruments for planesB. a radio directing and ranging deviceC. new radio sets for RAF bomberD. an electronic detecting device
题目10单选题
Radar enabled the English to ________A. detect German planes on their way to LondonB. direct the outnumbered RAF planes effectivelyC. confuse German bomber pilotD. both "detect German planes on their way to London" and "direct the outnumbered RAF planes effectively"
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