Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
A. contact B. include C. announced D. public E. especially
F. growing G. leader H. range I. available J. separately
Knowledge is free on the Internet at a small but __1.___ number of colleges and universities.
About 160 schools around the world now put free course materials on the web to the ___2.___. Recent additions in the United States ___3.___ projects at Yale, Johns Hopkins and the University of California, Berkeley.
Berkeley said it would offer videos of lectures on YouTube. Free videos from other schools are ___4.___ at the Apple iTunes store.
The Massachusetts Institute of Technology (M.I.T.) became an early ___5.___with its Open Course Ware project, first ___6.___ in 2001. Free lecture notes, exams and other resources are published at ocw.mit.edu. Many exams even include the answers.
Today, Open Course Ware offers materials from 1,800 undergraduate and graduate courses. These ___7.___ from physics to political science.
Visitors can learn the same things that M.I.T. students learn. But as the site points out, Open Course Ware is not a M.I.T. education. Visitors receive no credit toward a degree. Some materials from a course may not be available, and the site does not provide ___8.___ with teachers.
Still, M.I.T. says that the site has had forty million visits by thirty-one million visitors from almost every country. Sixty percent of the visitors are from outside the United States and Canada.
Students and educators use the site, including students at M.I.T. But the largest number of visitors, about half, are self-learners.
Some professors have become well-known around the world as a result of appearing online. Walter Lewin, a physics professor at M.I.T., is ___9.___ popular. Fans enjoy his entertaining lectures.
M.I.T. Open Course Ware now includes materials for high school. The aim is to improve education in science, technology, maths and engineering.
The scientists were trying to look for all possible _______ as to where this species came from.
A.signals B.marks C.clues D.spots
A well-written speech ______ a lot, such as a good choice of words, a clear
structure, a distinct theme, etc.
A.calls on B.calls for C.calls up D.calls off
Lisa made a(n) _____ to help her husband with the problem, but failed in the end.
A.promise B.response C.decision D.attempt
I am really sorry if my comments on the matter ____ you.
A.beat B.defeated C.offended D.Injured
The chairman said in the meeting that he would be ________ towards all opinions
and consider them seriously.
A.respectful B.proud C.capable D.careful