7. There is enough time for ______________in your work. IMPROVE
8. Today scientific progress is mostly defined in terms of
________________________advancements.TECHNOLOGY
9. The first experiment was ______________, so we need to do another one.SUCCEED
10. A ______________is a scientist who studies the solid and liquid matter that
constitutes the Earth.GEOLOGICAL
11. The U.S ______________of the Moon began with the Ranger 4 impactor in
1962.EXPLORE
12. A nuclear power reactor ______________ could provide assistance with the loading
and unloading of nuclear fuel.OPERATE
13. The study points out that many people‟s health has been affected from bathing
in drinking ______________ water.PURITY
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