| 考博易错题（2018/5/3） |
| 第1题： During the oil crisis of the 1970s, many states ______ speed limits to reduce gasoline use. A．implanted B．imposed C．impaired D．impressed |
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| 第2题： According to the latest report, consumer confidence ______ a breathtaking 15 points last month, to its lowest level in 9 years. A．soared B．mutated C．plummeted D．fluctuated |
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| 第3题： The bank manager asked his assistant if it was possible for him to ______ the investment plan within a week. A．work out B．make out C．put out D．set out |
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| 第4题：From the selection, we may conclude that ______.
A．spiders have adapted to many unlikely environments B．on the whole spiders are delicate creatures C．a species of black spiders can live anywhere D．spiders are the greatest marvel of natural science |
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| 第5题： In a time of social reform, people's state of mind tends to keep ______ with the rapid changes of society. A．step B．progress C．pace D．touch |
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