题目内容
（请给出正确答案）
A.junk bonds.
B.callable bonds.
C.convertible bonds.
D.debentures.
参考答案
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
网友提供的答案
更多“Long-term unsecured bonds that are backed only by the general creditworthiness of the issuer are cal…”相关的问题
A、Why do prices in general rise by more in some countries than in others?
B、How rapidly is GDP currently increasing?
C、Why do production and income increase in some periods and not in others?
D、Why do wages differ across industries?
Educators today are more and more oftenheard to say that computer literacy is absolutely necessary forcollegestudents. Many even argue that each incoming freshman should have permanentaccess to his or her ownmicrocomputer. What advantages do computers offer thecollege students？
Any student who has used a word processorwill know one compelling reason to use a computer: to writepapers. Although notall students feel comfortable composing on a word processor, most ,findrevising and editingmuch easier on it. One can alter, insert, or delete just bypressing a few keys, thus eliminating the need to rewrite orre-type.Furthermore, since the revision process is less burdensome, students are morelikely to revise as often as isnecessary to end up with the best paperpossible. For these reasons, many freshman English cottrses require the useof aword processor.
Computers are also useful in the contextof language courses, where they are used to drill students in basicskills.Software programs reinforce ESL(English as a Second Language .instruction, aswell as instrnction in French, German, Spanish, and other languages. By usingthese programs on a regular basis, students can improvetheir proficiency in alanguage while proceeding at their own pace.
Science students take advantage ofcomputers in many ways. Using computer graphic capabilities, forexample, botanystudents can represent and analyze different plant growth patterns. Medicalstudents can learn tointerpret computerized images of internal body structures.Physics students can complete complex calculations farmore quickly than theycould without the use of computer.
Similarly, business and accountingstudents find that computer spreadsheet programs are all but indispensabletomany aspects of their work, while students pursuing careers in graphic arts,marketing, and public relations find thatknowledge of computer graphic isimportant Education majors learn to develop grading systems usingcomputers,while social science students use computers for analyzing andgraphically displacing their research results.
It is no wonder, then, that educatorssupport the purchase and use of microcomputers by students. A Versatile tool, the computer can help students learn.And that is, after all, the reason for going to college.
56、The word"literacy" (Line 1,Paragraph 1) means _________.
A.the ability to read andwrite
B.the ability to use
C.literature
D.the knowledge of language
57、The main purpose of thispassage is to _________.
A.persuade the educators toincrease computer use in their own classroom
B.analyze advantages anddisadvantages of computer use among college students
C.identify some of the waysthat computers benefit college students
D.describe how computers canbe used to teach foreign languages
58、According to the author, aword processor can be used to_________.
A.revise papers
B.retype papers
C.reduce the psychologicalburden of writing papers
D.improve the writing skillsof a student
59、In this passage, thewriter's argument is developed primarily through the use of_________.
A.cause-effect analysis
B.comparison andcontrast
C.induction
D.examples
60、According to the author,the reason for students to go to college is _________.
A.to learn something
B.to perfect themselves
C.to improve computerskills
D.to make the best use ofcomputers
警告：系统检测到您的账号存在安全风险
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
