A．They create magnetic fields to produce power.

　　B．They apply technologies to many things in life.

　　C．They are technologies which can produce electricity.

　　D．They use wireless technology to improve their products.

　　【解析】　细节理解题。根据第三项发明介绍的第二段的第二句“These create a special magnetic field which produces enough force to lift the board off the ground”和最后一项发明的第二段的最后一句“It uses a special plug­in coil(线圈)that creates a magnetic field”可知，A项正确。

　　【答案】　A

　　Ⅴ.阅读填句

　　根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　(2016·双鸭山模拟)

　　Reforestation

　　Around the world there is an increase in the demand for reforestation.This is because the consumption of the forests has affected not only the animals living in the area but also the people.And reforestation is about the rebuilding of the forests that have been severely destroyed.It can offer a lot of benefits when the recreation is successful.

　　__1__ This includes collecting seedlings(幼苗) that are native in the area to make sure that there is a natural reconstruction of the area.Some additional trees which are not native in the area also need to be planted.__2__The importance of having multiple species of trees is considered to make sure that the needs of other species that will live and grow in the area are met.

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