A．Antenas is impractical

　　B．it is expensive to use Antenas

　　C．Antenas is helpful to children

　　D．it is difficult to control Antenas

　　答案　C　[推理判断题。根据第七段可知，那些心理学家对Antenas的效果表示肯定，认为通过Antenas可以更好地了解孩子们的内心世界。故选C。]

　　B

　　Next Halloween，a small vegetable that looks like a pumpkin may appear in a garden near you.The vegetable is a type of pepper that is called “Lil' Pumpkin.” It's very special because it has orange，pumpkin－like fruit.

　　You might think that all vegetables are grown to provide food to eat.But some vegetables are grown mainly for the lively color and holiday spirit that they bring to gardens.These are called “ornamentals(观赏性植物)．” Just like lights decorate a Christmas tree，they decorate a garden.

　　The peppers were bred(培育) by Agricultural Research Service (ARS) scientists John Stommel and Robert Griesbach.Another pepper the scientists developed is called “Pepper Jack.” Because Pepper Jack has orange and black cone ­shaped(锥形的) fruit，it might remind you of the popular Halloween treat “candy corn.”

　　Stommel says that vegetable crops such as peppers were first widely grown in Europe in the 15th century.At that time，people liked these crops more because they looked pretty than because they provided food.

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