That next step, occurred in August 1960, when the dogs Belka and Strelka made 18 orbits of earth and returned alive.Like Laika before them, they became distinguished,featured in newspapers and magazines around the world.
Six more orbital dog flights over the next eight months further tested the equipment necessary for humans to follow in the dogs' footsteps.That historic event happened on April 12, 1961, when Yuri Gagarin became the first human to travel in space.
The role of the space dogs had proven important in advancing the exploration of space.But, they would make one final flight.In 1966, traveling aboard the Cosmos 110 satellite, the dogs Ugolek and Veterok spent 22 days in orbit.Once again dogs led the way.Humans would not achieve a space flight that long for eight more years, in Skylab 2.
【语篇解读】 狗也能上太空旅行?是的,狗作为第一位上太空的动物,确实为太空探索起到很大的作用呢。
21.Which of the following dogs first traveled in space?
A.Tsygan.
B.Laika.
C.Belka.
D.Ugolek.
答案 B [细节理解题。根据第二段中的This satellite contained the first living creature to travel in space, a dog named Laika.可知,第一个在太空旅行的狗的名字是Laika。]
22.From the passage we may infer that ________.
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