下列疾病易导致髓外造血的是（）。 A.尼曼-匹克病 B.骨髓纤维化 C.多发性骨髓瘤

在Word编辑状态下，将正文中所有“internet explorer”改写为“Internet Explorer”，常选用编辑子菜单上的（）命令。

A．修订

B．替换

C．定位

D．粘贴

与已审母公司会计报表和合并会计报表有关的下列勾稽关系中，不正确的有( )。

A．母公司资产负债表“股本”项目期末数，应等于同期合并资产负债表“股本”项目期末数

B．母公司资产负债表“盈余公积”项目期末数，应等于同期合并资产负债表“盈余公积”项目期末数

C．母公司资产负债表“未分配利润”项目期末数，可能等于同期合并资产负债表“未分配利润”项目期末数

D．合并利润及利润分配表中，“年初未分配利润”项目“本年累计数”栏的数额应等于“未分配利润”项目“上年数”栏的数额

法律、法规授权的具有管理公共事务职能的组织在法定授权范围内，以自己的名义实施行政强制，适用行政强制法有关行政机关的规定。

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.

第（11）空应选择（）

A．some one

B．one

C．he

D．reader

氨气的毒性和爆炸性与浓度没有关系。