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但头汗出,见于

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Which of the following examples of business and technology bears the most similarity to the history of the hybrid car, as presented in the passage?

American aerospace companies in the 1960s created working prototypes of supersonic passenger aircraft that could complete intercontinental flights in half the time of conventional aircraft, but these projects were canceled because of concerns that the hig
B. Although oil companies first attempted deep-sea drilling in the Gulf of Mexico in the 1930s, these deep-sea projects could not compete with land-based drilling projects until advances in drilling technology and the rising price of oil made deep-sea drilli
C. Automakers in the 1980s, after concluding that the average driver could not be relied on to use seat belts consistently, chose to adopt airbags as a standard safety feature.
D. Lighter-than-air craft, such as Zeppelins, made up a substantial part of total air traffic in the early twentieth century, but they rapidly fell out of favor after airplanes proved to be a faster and safer form. of transportation.
E. Although railroads carried more than 90 percent of all land-based commercial cargo in the United States in 1910, by 1980 railroads had been surpassed by trucks in total cargo carried, because of the greater speed and flexibility offered by the heavy truck

James Watson, who later headed the Human Genome Project, along with Englishman Francis Crick discovered the double helix in 1953, the basic structure of DNA, when the two were young scientists.

A. James Watson, who later headed the Human Genome Project, along with Englishman Francis Crick discovered the double helix in 1953, the basic structure of DNA, when the two were young scientists.
B. The double helix, the basic structure of DNA, was discovered in 1953 by two young scientists, the Englishman Francis Crick and James Watson, who later headed the Human Genome Project.
C. The basic structure of DNA, the double helix, was discovered in 1953 by the Englishman Francis Crick and James Watson, later head of the Human Genome Project, two young scientists.
D. The Englishman Francis Crick and James Watson, later heading the Human Genome Project, were the young scientists who discovered the basic structure of DNA in 1953, which was the double helix.
E. The basic structure of DNA, the double helix, was discovered by James Watson, later head of the Human Genome Project, along with another of two young scientists, the Englishman Francis Crick, in 1953.

The economic problems of the aged begin before they retire.

A. Y
B. N
C. NG

A.Food.B.Hotel.C.Food and hotel.D.Food and city tours.

A. Food.
B. Hotel.
C. Food and hotel.
D. Food and city tours.

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