【2014年福建省漳州市中考】
根据所提供的内容，从四个选项中选择最佳答案。
Butterflies are common all over the world，but butterflies in hotter countries are usually bigger and more brightly colored than those in coo1er countries，and there are more different kinds．
Usually the male(雄性的)butterflies are more brightly colored than the females．The females have bigger and heavier bodies since they carry the eggs．The bright colors of the males help to attract the females，and the duller(较暗淡的)colors of the females make them less likely(可能的)to be caught by enemies before they have laid their eggs．
Some butterflies have bright pattern colors on the upper surface of their wings that show when flying ,but when they rest on a tree or leaves , they close their wings．On the undersides of their wings there are green and brown marks which look like the tree or leaves．They are then difficult to be seen．The best example of this is the Dead Leaf Butterfly．When its wings are c1osed，it looks exactly like a dead leaf．There are even marks that look like the holes in a dead leaf．When the butterfly is run after by a bird，it closes its wings and seems to have disappeared completely．
Many butterflies have round marks on their wings that look like eyes．The round marks have a useful function(功能)．When the butterflies are resting，their wings are closed，and these marks can’t be seen.  When a bird sees one，and begins to attack it，the butterfly will open its Wings. The bird thinks that it sees two eyes staring at it，frightened，and flies away．
The female butterflies have bigger and heavier bodies than the males because _______

A．the females carry the eggs

B．the females eat more

C．the males are more active

D．the males have smaller wings

The duller colors of the female butterflies ___________ .

A．help to fly easily

B．help to attract the males

C．make them look fearful

D．make them harder to be caught

The underlined word“that”in Paragraph 3 refer to______．

A．their wings	B．pattern colors
C．green leaves	D．some butterflies

when run after by a bird，the Dead Leaf Butterfly _________.

A．is frightened and flies away at once

B．opens its eyes and stares at the bird

C．closes its wings and seems to have gone

D．opens its wings to frighten the bird away

The last paragraph mainly tells US________

A．why the butterfly can not be seen

B．how the butterfly opens its wings

C．what the round marks look like

D．what the function of the round marks is

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