How did Szaky get the idea of upcycling?-考呗网题库移动版

单选题 How did Szaky get the idea of upcycling?

A．From his visits to foreign companies．
B．From his studies at Princeton University．
C．Through shopping at big stores in America．
D．Through the experience of a business competition．

参考答案D

解析: 推理题。题干意为“萨奇是如何有了从事升级改造产业的灵感?”。根据文章第三段的内容“…but started the business an-yway．”可知，萨奇在大学的时候因为参加一个比赛尝试过这种活动，之后就开始从事这方面的商业活动。故D为正确答案。

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单选题 What is the advantage of upcycling according to Szaky?

A．The cost is kept low．
B．The product is free．
C．The product has a longer life。
D．More materials are available．

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单选题 根据下面资料，回答题。
A pure virus(病毒) could be kept in a bottle, just like hundreds of other chemicals. Yet,when a virus is placed on a living thing, it comes to rife. As long as it is on a living material, it grows.
A difficult question still remains--what is a virus? Is it living or chemical? Men of science had always thought life and not-rife to be as different as black and white. With the discovery of the vi-rus, they became aware of a grey area that was neither black nor white.
Until the 1930´ s, it was accepted that there was also a great difference in size between the lar-gest chemical molecules (分子) and the smallest living things. As new and much finer filters ( 过滤器) were invented, men were able to measure viruses. The first virus to be measured was found to be about 100 millimicrons(毫微米) across.
The largest known chemical molecule measures only 22 millimicrons. The smallest living thing measures almost seven times that size or 150 millimicrons. When viruses were measured, they were found to range in size from 16 millimicrons to 300 millimicrons. Most were found to be larger than the largest chemical molecules and smaller than the smallest living things.
The answer to the puzzle--what is a virus?--must be that it is both riving and not living. In a living cell, it is a live thing. In a bottle, it is nothing more than a chemical. We now realize that the virus is actually a link between life and not-rife.
What IS this text mainly about?

A．How viruses should be understood．
B．The effect viruses have on living things．
C．How filters are used in studying viruses．
D．The researches scientists do with viruses．

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单选题 What makes a virus come tolife?

A．A large chemical molecule．
B．A dead chemical．
C．An active virus．
D．A living cell．

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