问题
名词解释
菲斯克阶梯（自感台阶效应）
答案
参考答案：
是一种宏观量子现象。在约瑟夫森结上施加静磁场H，测量结的伏安曲线，结上虽未经外加微波照射，但在伏安曲线上仍呈现一系列台阶（阶梯）状结构。
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菲斯克阶梯（自感台阶效应）
参考答案：
是一种宏观量子现象。在约瑟夫森结上施加静磁场H，测量结的伏安曲线，结上虽未经外加微波照射，但在伏安曲线上仍呈现一系列台阶（阶梯）状结构。
| 阅读理解。 | ||||||||||
| Today's teens have a knowledge of the Internet that often surpasses that of their parents. Because so many teens are Internet savvy, it is important that they also have an understanding of the dangers that exist online and how to deal with them. Watch teens share their own "Real-Life Stories" about issues affecting them on the Internet such as cyberbullying (网络欺凌), online enticement, and giving out too much personal information.
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| 1. The ad is intended for _____. | ||||||||||
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| A. kids loving to play games online B. only victims of Internet use C. kids and their parents who want to learn about the safety online D. pre-school students who know little about Internet | ||||||||||
| 2. If you visit the website, you can _____. | ||||||||||
[ ] | ||||||||||
| A. share your friends'Real-life Stories about issues affecting them on the Internet B. have an understanding of the dangers that exist online and how to deal with them C. say and do terrible things to each other online D. ask for help when you have difficulty with your study | ||||||||||
| 3. If you visit www.cybertipline.com, you can _____. | ||||||||||
[ ] | ||||||||||
| A. contact your local law enforcement B. search our knowledge base for answers to all of your questions about the online world C. report any incident of Internet use D. help your siblings learn how to avoid the dangers that exist on the Internet. | ||||||||||
| 4. Which of the following stories you can share on the Real-Life Stories? | ||||||||||
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| A. Teen murdered by man she met in chat room. B. Problem of losing weight. C. Left home alone. D. Hurt by second hand smoke in the Internet cafe. |
