是不需要阳光的，故B不对；文章第一段controlled light...air quality and nutrition表明这儿的空气质量是需要控制的，但不一定是依靠植物，故D不对；文章第四段的最后一句可知，这儿的日夜是由植物所"决定"的。故答案选C。]

18．It can be inferred from the text that Gertjan Meeuws's farming________.

　　A．helps save sea water a lot

　　B．is highly adaptable

　　C．resembles greenhouse agriculture

　　D．suits the production of corn

答案　B　[推理判断题。根据文章最后两段，Meeuws的农业模式能够节省大量的水(但不是海水)，其工作原理并不同于温室农业，不利于生产占据大面积的作物，如corn和potatoes；根据文章第一段的It could be in aNew York high­rise or a sprawling complexin the Saudi desert.可知，该种农业可以在许多环境下存在，适应性是很强的。故答案选B。]

19．What is the text mainly about?

　　A．Development of indoor farming.

　　B．Great Revolution in farming.

　　C．Advantages of indoor farming.

　　D．Sunless，rainless indoor farming.

答案　D　[主旨大意题。本文主要讲述了几位研究者所研究的一种未来农业模式：不需要阳光和雨水的室内农业，它不同于温室农业，是一种节能、节水和环保的农业方式，适应性强、成本低。故答案选D。]

"Is there anything else you need, honey？" my dad asked me as he put three twenty­dollar bills in my hand. I was traveling back home from a family visit, and after treating me to breakfast and filling my car with gas, it was obvious that my dad wanted to make sure that I would be okay on the road.

"No, Dad. You've done so much already. Thank you！" I was overwhelmed once again by his kind acts of providing everything I needed, despite the fact I just turned 40. Yet I realize that in my father's eyes, I will always be his little girl. He takes deep pleasure in knowing his children are all right. Now that he has enough money, he loves to give whenever he sees a need.

But this was not always the case. Divorced from my mother when I was 11, my dad couldn't be around his kids as often as he would have liked. Money was also tight; even weekend visits were rare. However, my dad stayed in constant communication with us and made sure he was involved in our lives. Though he couldn't always be there in person, I knew he was only a phone call away. I could always count on that.

Even now, almost 30 years later, I treasure knowing that I can pick up the phone and call