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问题 多项选择题

下列各项中，属于在经济往来结算中经常使用的信用工具是

A．现金结算

B．转帐结算

C．支票

D．信用卡

答案

CD

题目分析：本题是考查在经济往来结算中经常使用的信用工具。AB项是结算方式。故在经济往来结算中经常使用的信用工具是支票， 信用卡。故本题选CD。

点评：本题分清结算方式和信用工具是作对本题的关键。本题难度适中。熟记基本概念是学好本科的重点。

解答题

设方程x2-mx+1=0的两个根为α，β且0<α<1，1<β<2，求实数m的取值范围。
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单项选择题

For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never ending flood of words. In (1) a job or advancing in one, the ability to read and comprehend (2) can mean the difference between success and failure. Yet the unfortunate fact is that most of us are (3) readers. Most of us develop poor reading (4) at an early age, and never get over them. The main deficiency (5) in the actual stuff of language itself—words. Taken individually, words have (6) meaning until they are strung together into phrases, sentences and paragraphs. (7) , however, the untrained reader does not read groups of words. He laboriously reads one word at a time, often regressing to (8) words or passages. Regression, the tendency to look back over (9) you have just read, is a common bad habit in reading. Another habit which (10) down the speed of reading is vocalization—sounding each word either orally or mentally as (11) reads.

To overcome these bad habits, some reading clinics use a device called an (12) , which moves a bar(or curtain) down the page at a predetermined speed. The bar is set at a slightly faster rate (13) the reader finds comfortable, in order to "stretch" him. The accelerator forces the reader to read fast, (14) word by word reading, regression and subvocalization practically impossible. At first (15) is sacrificed for speed. But when you learn to read ideas and concepts, you will not only read faster, (16) your comprehension will improve. Many people have found (17) reading skill drastically improved after some training. (18) Charlie Au, a business manager, for instance. His reading rate was a reasonably good 172 words a minute(19) the training; now it is an excellent 1,378 words a minute. He is delighted that how he can (20) a lot more reading material in a short period of time.

第（14）空应选择（）

A．enabling

B．leading

C．making

D．indicating
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