2. 外语
  3. To discover whether bees can see colors, the following experiment is set up. A table is put in a garden, and on the table is a p

To discover whether bees can see colors, the following experiment is set up. A table is put in a garden, and on the table is a p

admin2015-05-21  59
问题     To discover whether bees can see colors, the following experiment is set up. A table is put in a garden, and on the table is a piece of blue cardboard(纸板) with a drop of syrup(花蜜)on it. After a short time, bees come to the syrup. The bees then fly to their hive( =home) and give the syrup to other bees in the hive. Then they return to the feeding-place which they have discovered. After a while, we take away the blue cardboard with the syrup on it. Instead of this card, we now put a blue card on the left side of the first feeding-place and a red card to the right of the first feeding place. These new cards have no syrup on them. Thus, the blue card is on the left, the red card on the right, and there is nothing where the first blue feeding card used to be. very soon bees arrive again, and fly straight to the blue card. None go to the red card.
This experiment suggests that______.
选项 A、bees are cleverer than we think
B、insects are tireless workers
C、man is curious about insect vision(视觉)
D、man is cruel to natural creatures in the name of science
答案C
解析 从文章可以看出人们对昆虫的视觉情况很感兴趣。故正确的答案为C。
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