【解析】选D。词义猜测题。根据文章最后一句可以猜测出作者认为我们对未来应该持积极乐观的态度, 故选D项。

　　8. What does the passage mainly talk about?

　　A. How people will communicate in the year 2050.

　　B. What our life will be like in the year 2050.

　　C. How people will travel and spend their holidays in the year 2050.

　　D. What high technology will appear in the year 2050.

　　【解析】选B。主旨大意题。文章的第一段就是本文的中心, 即设想2050年的生活是什么样子的, 故选B项。

　　. 完形填空

　　One day a few years ago we had a guest of the uninvited variety. In fact, it was a bird, 　1　a sparrow.

　　“What’s that? ”I asked when I first heard the gentle thumping(重击声). “It sounds like Joe is outside playing basketball, ”my wife, Anita, said. She　2　and listened more devotedly. “It’s coming from the　3　, ”she said. “Maybe it’s one of the little kids. ”

　　We rushed out the door. Jonathan, our youngest, was　4　to make trouble. “If he’s making holes in the wall again. . . ”I said as I searched there. No children　5　. But there was that　6　again, coming from right up there.

　　And that’s when I　7　the sparrow. It was flying　8　just inches below the ceiling. It was　9　trying to get out, but couldn’t see that the way out wasn’t up, but down　10　the open door. So the bird continued　11　its wings and hitting its head against the　12　.

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