Choose TWO letters, A-E. Write the correct letters in boxes 21 and 22 on your answer sheet Which TWO of the following statements

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问题 Choose TWO letters, A-E.
Write the correct letters in boxes 21 and 22 on your answer sheet
Which TWO of the following statements are true of bird migration?
A Birds often fly further than they need to.
B Birds traveling in family groups are safe.
C Birds flying at night need less water.
D Birds have much sharper eye-sight than humans.
E Only shorebirds are resistant to strong winds.

选项

答案C

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