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软件简介：
质量检测 一、单项选择 1．—________ to the United States? —No, never, but I went to Canada a few years ago. A．Have you been B．Have you gone C．Did you go D．Will you go 2．Astronauts take the ________ to get to the space station. A．plane B．racket C．spacecraft D．space 3．It took the spacecraft two months ________ there. A．to get B．getting C．gets D．get 4．—Have the astronauts ________ life on Mars? —Not yet. A．discover B．find C．discovered D．found 5．________ are called the solar system. A．The sun and the moon B．The moon and the planets C．The sun and its planets D．Some planets 6．The light of some galaxies has traveled for many years ________ us. A．get to B．to get C．to reach D．reach 7．She ________ her lost watch everywhere but she couldn't ________ it anywhere. A．found; find B．found; looked for C．looked for; look for D．loo |
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