题目内容

Snakes always ______ at their prey before they attack.

A. glare
B. stare
C. flare
D. Glance

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Complete the summary of Text A by filling the blanks with the help of initial letter given.College life in the Internet ageThe colleges today have become the most 1. I_______ spots in the world. The Internet has brought students 2. c_ for their learning and lives. Students are electronically 3.l_to each other, to professors and to their classwork in an 4. e__ river of information and communication.For universities, to 5. m_ their competitive advantage and 6. a students, they are competing with the best Internet services.With the widespread 7._ of laptops and computer sciences, the universities are going to produce a generation of 8. p_ and 9.i thinkers, which is for the 10. f_____of the world.

Complete the summary of Text B by filling the blanks with the help of initial letter given.Too Much of a Good Thing–A Real AddictionThe internet is a double-edged sword. It’s hard to deny the 1. p___changes it adds to people’s lives as it makes life easier. Like any technology, though, it has negative aspects, such as Internet 2. a. College students are 3. i severely without the discipline and structure of home. What causes Internet addiction is the release of 4. e_, which sustains virtual rewards from the brain.These rewards are simple 5. s____, doing nothing but keeping students so 6. i that it hurts their studies, or spoils their lives. What’s the best defense against Internet addiction is 7. m_. Use the wonders of connectivity to enrich your studies, stay connected with distant and real-life friends and explore 8. m_ new worlds. The Internet is a powerful tool, but make sure that you use it 9. w_ for all the good value it offers and that you won’t let too 10. m________ of a good thing become something bad.

单链表的访问规则是( )。

A. 随机访问
B. 从头指针开始,顺序访问
C. 从尾指针开始,逆序访问
D. 可以顺序访问,也可以逆序访问

单链表的结点结构包含数据域data、指针域next,next域存放的是( )。

A. 下一个结点的地址
B. 下一个结点的值
C. 本结点的地址
D. 本结点的值