题型：单选题 题类：常考题 难易度：普通
副词——关系副词
A. only B. name C. around D. send E. before |
In the1950s and 1960s, Russia and America were both very interested in space exploration. Each country wanted to be the first to {#blank#}1{#/blank#} a man to the Moon.
In 1957, Russia sent the first satellite into space. The {#blank#}2{#/blank#} of the satellite was Sputnik. It was {#blank#}3{#/blank#} as long as a basketball, but it was the start of the space race! In 1959, the Russian sent a spacecraft to the Moon. Its name was Luna3. It went {#blank#}4{#/blank#} the Moon and took photographs, but it didn't land on the Moon. There weren't any astronauts on Luna3.
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