交换率指（）个体数占（）的百分率。

进食后腹痛加重见于（）。

A.胃溃疡

B.十二指肠溃疡

C.胃黏膜脱垂症

D.肠结核

E.原发性肝癌

如何使用桥式起重机吊运工作物？

A公司为增值税一般纳税人．2004年1月10日将100万元(含增值税)的应收账款出售给银行，取得价款5万元，在应收账款到期无法收回时，银行不能向A公司追偿。该银行按应收账款的账面余额的1%收取手续费，按照协议中约定预计将发生的销售退回、销售折让、现金折扣20万元；2004年10月16日该银行实际收到贷款70万元，实际发生销售退回30万元(含增值税，增值税率17%)。则2004年1月10出售应收账款时计入当期损益的金额为( )万元。

A．5
B．6
C．1
D．4

股东大会作出特别决议，应当由出席股东大会的股东(包括股东代理人)所持表决权的1/2以上通过。( )

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 172words 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.

A．reuse
B．reread
C．rewrite
D．recite