邓乐普牵引治疗肱骨髁上骨折时要屈肘：（） A.30° B.45° C.60° D.7

患者女性，24岁。停经8周确诊为早孕，本人要求终止妊娠。行人工流产负压吸引术时，患者诉恶心，继而出汗、面色苍白，血压80/60mmHg，心率48次／分，子宫无异常情况。

为防止出现这种情况，手术者应（）

A.术中扩张宫颈时动作轻柔

B.从7号扩张器开始逐渐加大号数

C.吸宫时负压为600mmHg

D.进出宫颈时同时吸引宫颈黏膜

E.为吸净宫腔应多次反复吸刮宫壁

患者男性，40岁，体重92kg，身高168cm，无“三多一少”症状，空腹血糖6．9mmol/ L，其母有糖尿病，患者可能的诊断是

A．胰岛素依赖型糖尿病

B．非胰岛素依赖型糖尿病

C．高血压

D．高血脂

E．神经衰弱

在肩胛骨的运动中，前锯肌所起的作用是使 ()

A．关节盂旋转向上，肩外展

B．节盂旋转向下，肩外展

C．关节盂旋转向上，肩前屈

D．肩胛骨的椎体缘上提，离开胸壁

E．帮助菱形肌使关节盂旋转向下，肩耸起

在改善电动工具的安全设施中，主要必须有（）和保护性设施。

A、防护装置

B、警告标志

C、良好绝缘性

D、安全设施

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（19）空应选择（）

A．for

B．in

C．after

D．before