专项维修资金由业主交纳，所有权归属于( )。A．建设单位 B．物业使用人 C．业主

最适合自然通风的作业场所是（）.

A.蓄电池行业

B.冶炼、铸造、金属热处理

C.制鞋业、纺织厂、箱包生产

D.光盘生产、微电子行业、手表厂

E.氯碱行业

配风器的作用是控制一次风和二次风的风量和比例；使助燃空气与油雾充分混合，以利于燃油稳定和充分的燃烧。

贷款组合的信用风险包括( )。

A．系统性风险
B．非系统性风险
C．既可能有系统性风险，又可能有非系统风险
D．政治风险

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（12）空应选择（）

A．accelerator

B．actor

C．amplifier

D．observer