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Butterflies(蝴蝶)are common all over the world but the ones in hot countries are usually bigger and more brightly colored than those in cooler countries, and there are more different kinds.
Usually the male(雄性)butterfly is more brightly colored than the female (雌性). The females have bigger and heavier bodies, since they carry the eggs. The gay colors of the male help to attract the female and the duller(暗淡的)colors of the female make them less likely to be caught by enemies before they have laid their eggs.
Some butterflies have a bright pattern of colors on the upper Surface of their wings which show when they fly, but when they rest on a tree or leaf, they close their wings. On the undersides of their wings there are green and brown markings which look like the trees or leaves. They are then difficult to be seen. The best example of this is the Dead leaf Butterfly. When its wings are closed, it looks exactly like a dead leaf. There are even marks that look like the holes in a dead leaf. When a bird is chasing(追逐)a butterfly, and the butterfly closes its wings, it cannot be seen. When a bird sees one, and begins to attack it, the butterfly opens its wings. The bird thinks that it sees two eyes staring at it, and, frightened, it flies away.
(1) Which of the following is likely to be the most brightly colored ?
[ ]
A.A male in a hot country.
B.A male in a cool country.
C.A Dead Leaf Butterfly with its wings closed.
D.A large, heavy butterfly.
(2) What is the purpose of the gay colors of a male butterfly?
[ ]
A.To frighten birds away.
B.To help to get the attention of the female.
C.To make it more difficult to be seen.
D.To protect itself from the female.
(3) Female butterflies are safe from enemies because they _____.
[ ]
A.often lay eggs in hiding places
B.cannot be seen with their wings closed
C.are bigger and heavier than male butterflies
D.have colors that are not so bright
(4) When attacked by a bird, the resting butterfly sometimes would _____.
[ ]
A.fly away as quickly as possible
B.open its mouth to fight against the bird
C.close its wings and chase it away
D.open its wings and frighten it away
查看习题详情和答案>>There were once three little butterfly(蝴蝶)brothers, one white, one red, and one yellow. They played among the flowers in the garden, but never grew tired because they were so happy. One day there came a 1rain, and it wet their wings. They 2 home, but when they got there they found the door3and the key gone. So they had to stay outdoors in the 4 .
Soon they flew to the 5 and yellow tulip(郁金香), and said, “Friend Tulip, will you open your flower and let us 6 till the storm is over?” The tulip 7 , “The red and yellow butterflies may enter, because they are 8 me, but the white one may not come in.” 9 the red and yellow butterflies said, “If our white brother may not find shelter in your flower, we’ll stay 10 in the rain with him.”
It fained harder and harder, and the 11 little butterflies flew to the white lily and said, “Good Lily, will you 12 your bud(花蕾)a little so we may fly in out of the rain?” The lily answered, “The white butterfly may 13 , because he is like me , but the red and yellow ones must stay outside in the storm..” Then the little white butterfly said, “If you won’t 14 my red and yellow brothers, I’ll stay out in the rain with them. We would rather be 15 than be separated.”
So the three little butterflies flew away. But the 16 , who was behind a cloud, 17 it all, and he knew what good little 18 the butterflies were. So he pushed his face through the clouds, drove away the rain, and 19 brightly on the garden. He dried the 20 of the butterflies, and warmed their bodies. They danced among the flowers till evening. When they flew back home, they found the door wide open.
- 1.
- A.thick
- B.light
- C.heavy
- D.small
- A.
- 2.
- A.flew
- B.walked
- C.jumped
- D.moved
- A.
- 3.
- A.dragged
- B.locked
- C.protected
- D.repaired
- A.
- 4.
- A.tree
- B.water
- C.wind
- D.Rain
- A.
- 5.
- A.black
- B.green
- C.red
- D.blue
- A.
- 6.
- A.in
- B.out
- C.up
- D.down
- A.
- 7.
- A.apologized
- B.roared
- C.shouted
- D.answered
- A.
- 8.
- A.from
- B.like
- C.through
- D.with
- A.
- 9.
- A.However
- B.If
- C.But
- D.Or
- A.
- 10.
- A.inside
- B.above
- C.below
- D.outside
- A.
- 11.
- A.poor
- B.lucky
- C.rich
- D.happy
- A.
- 12.
- A.close
- B.shake
- C.open
- D.show
- A.
- 13.
- A.go out
- B.come in
- C.get up
- D.take off
- A.
- 14.
- A.invite
- B.touch
- C.trouble
- D.receive
- A.
- 15.
- A.wet
- B.sorry
- C.dry
- D.lonely
- A.
- 16.
- A.moon
- B.sky
- C.sun
- D.star
- A.
- 17.
- A.noticed
- B.heard
- C.reached
- D.caught
- A.
- 18.
- A.sisters
- B.classmates
- C.workers
- D.brothers
- A.
- 19.
- A.pointed
- B.arrived
- C.shone
- D.returned
- A.
- 20.
- A.wings
- B.heads
- C.feet
- D.legs
- A.