2. People are beginning to realize that to transform nature at will is the biggest mistake that man has ever made.
3. It is difficult to conclude what a(n) typical student does in his spare time because every student has different interests.
4. A month ago I wrote to the store complaining about its bad service, but I haven't gotten a(n) response yet.5. Some of your suggestions have been adopted , but others have been turned down as they are not workable.
6. All of a sudden, he lost his interest in engineering, and focused his attention on learning a foreign language.
7. If a company decreases health benefits for its employees, they should increase salaries to compensate the workers.
8. I failed to pass the exam although I had worked very hard. I should*** yze the causes of my failure.
9. When you do yoga, try to regulate your breathing. Don't breathe too fast and make sure you breathe only through your nose.
10. It was difficult to estimate how many people had been wounded in the earthquake.
2.15选10
complex复杂的 access享用权，享用机会preferred提出，提升 require要求undergraduate大学生大学的 accountable可解释的可说明的acquire获得得到 tranmits传输传送indispensable不可或缺的 creativity创造性，创造力referred提及，针对 seeks 寻找，追求post邮件，张贴，快速行进 connectivity连通性transform改变改观
There have been increased demands for higher education to provide students with better courses and more opportunities. To deal with this (1) complex issue, colleges and universities are turning to the Internet for quick (2)access to its rich educational resources. Now the Internet has been accepted as the (3)preferred technology to many other methods in colleges and universities. Many teachers now routinely (4)post their teaching materials online. A growing number of schools offer at least some (5)courses over the Internet. There are two different models of making use of the Internet for higher education. The first model (6) undergraduate to improve existing courses by using the Internet. This model provides high-speed Internet (7)connectivity to all students, faculty, and staff. While this model uses the Internet, it doesn't (8) require many changes, and it keeps most existing institutional structures unchanged. A different, more revolutionary model regards the Internet as (9)indispensable to an important change in higher education, for it is believed that the Internet can (10)transform teacher-centered instruction into student-centered learning. This, as a result, will bring about basic change to our university education.
3.选词组
keep up with保持，同步，和朋友保持联系 set up建立设立创立fire off开枪，匆忙发出 take the lead树立榜样，带头add to增加，增添 stand out显眼，突出，出色
in large part多半，在很大程度上 visit with叙谈闲谈account for占据，是···的原因，解释 at a disadvantage处于不利地位的1. I fired off a letter of complaint to the manager of the store as soon as I found they had sold me a pair of mi *** atched shoes.
2. People browse the Internet, read newspapers and watch TV to keep up with what is happening in the world.
3. The university has set up another large laboratory for students to design more complicated robots.
4. I find it very difficult to account for the fact that two of our best students failed the exam.
5. In the current economy, with unemployment high and competition for jobs fierce, your resume needs to stand out for all the right reasons.
6. She is getting popular since she appeared in a TV interview last month. Her new movie will no doubt add to her growing fame.
7. The developed countries should take the lead in reducing greenhouse gas emissions (排放) and provide support for the developing nations to follow.
8. If your spoken English is not very good, then you may be at a disadvantage when you are looking for a job.

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