問題詳情
【題組】42. According to the article, why did the number of experiments involving space animals increasein the 1960s?
(A) The United States and Soviet Union needed data about space travel in order to be the firstto land a human on the moon
(B) The United States was collecting information about space so the Soviet Union could put adog into orbit
(C) The Soviet Union and the United States were working together to put a human being onthe moon
(D) The United States and the Soviet Union believed that space was simply too dangerous forhuman beings and only animals could safely travel there
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第四段：During the 1960s, both the United States and Soviet Union were in a race to land a person on the moon. This competition, also called ~the space race" meant that scientists had to find out much more information about space travel. As a result, many more animals were launched into space as part of experiments. 選(A)