問題詳情
【題組】43. According to the article, who were Belka and Strelka?
(A) they were the American president's pet dogs
(B) they were two Soviet men launched into space
(C) they were American-trained chimpanzees
(D) they were the first animals to return to Earth alive after a journey into space
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第五段：In April of 1960, the Soviets launched two dogs, Belka and Strelka into space and they were the first animals to return to Earth alive. The Soviet leader at the time gave one of Strelka's pups to the American president's wife, Jacqueline Kennedy, as a present.選(D)