Butterflies typically lay their eggs in late spring and hatch 3－6 days after they are laid.It takes 3－4 weeks for a caterpillar to pupate (化蛹) and 9－14 days to emerge as an adult.

　　Good resources for learning more about butterfly gardening include zoos，botanical gardens，butterfly houses，garden centers and nurseries，libraries and the Internet.There are many good websites dedicated to butterflies and butterfly gardening.

　　5．Which of the following is true，according to the passage?

　　A．Butterfly gardens can be grown only in some parts of the US.

　　B．Butterfly gardens must be large in size.

　　C．Butterfly gardens should be in a sunny place.

　　D．Butterfly gardens need to plant butterfly­attracting plants only.

　　6．Native butterfly­attracting plants are better because________.

　　A．they smell better to butterflies

　　B．they can adapt to the local region

　　C．they can grow faster and taller

　　D．they can be planted in a container

　　7．Which seasons are suitable for planting butterfly gardens?

　　A．Spring and summer.

　　B．Summer and fall.

　　C．Summer and winter.

　　D．Spring and fall.

　　8．Which of the following is the correct order of a butterfly life cycle?

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