电池)．The interior features room for housing, offices, scientific laboratories, and entertainment, and a series of bioremediating(生物降解) vegetable gardens provide a source of food while recycling waste.Hydrogenase is certainly for the futuristic concept, but it does use a set of technologies being developed today-and perhaps one day we will see fantastic ideas like this develop.

　　语篇导读　本文主要介绍了氢化酶飞艇的优点。

　　4．What do we know about Vincent Callebaut?

　　A．He is working on a floating farm.

　　B．He compares many different airships.

　　C．He has developed a self­sufficient aircraft.

　　D．He has come up with a plan for new aircraft.

　　解析 D　细节理解题。根据第一段第一句可知，Vincent Callebaut提出了一个新的飞行器计划，故选D项。

　　5．Why do the hydrogenase airships contain seaweed?

　　A．To produce oxygen. B．To create hydrogen.

　　C．To absorb hydrogen. D．To absorb harmful gases.

　　解析 B　细节理解题。根据第二段第二句可知，氢化酶飞艇里放海藻是为了产生氢气，故选B项。

　　6．What can we learn from Paragraph 3?

　　A．Farms with seaweed produce more food.

　　B．Farms with seaweed are more efficient at producing biofuel.

　　C．Soybeans can't be planted on the airships.

　　D．Farms with seaweed will surely replace traditional farmland.

　　解析 B　推理判断题。根据第三段建筑师说的话及里面的例子可以推断出，有海藻的农场在生产生物能方面效率更高，故选B项。

　　7．What does the text mainly talk about?

　　A．The advantages of the airships.

　　B．The disadvantages of the airships.

　　C．The airships are renewable energy sources.

　　D．When and where the airships can be used.

　　解析 A　主旨大意题。通读全文可知，本文主要介绍了氢化酶飞艇的优点，故选A项。

　　C

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