题目内容
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[主观题]
Which of the following statements about orchids scents does the passage support?A.They are
Which of the following statements about orchids scents does the passage support?
A.They are effective only when an insect is near the blossom.
B.Harmful insects are repelled by them.
C.They are difficult to tell apart.
D.They may change at different times.
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