1 . Many animals migrate to find food, ________ a partner, or in search of warmer weather. Some can ________ the way to go by telling the time of the day and measuring the position of the sun.
| A．select; devote | B．survive; design | C．settle; deliver | D．seek; determine |
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2 . To Youyou has________ (奉献) all her energies to medicine science. （根据汉语提示单词拼写）
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3 . She is too young to tell if she can really ________ (致力于) herself to ballet. (根据汉语提示单词拼写)
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