关于角铁式车床夹具,不正确的表述有:()。 A.它的结构特点具有类似角铁的夹具体 B

题型:单项选择题

问题:

关于角铁式车床夹具,不正确的表述有:()。

A.它的结构特点具有类似角铁的夹具体

B.夹具以夹具体上的定位止口和主轴孔合并紧固

C.夹具上设置了配重块,使回转运动时平衡

D.夹具遵循基准重合原则设计定位装置,夹紧必须可靠

考点:数控机床操作工考试数控机床故障诊断与维修考试数控机床故障诊断与维修考试题库
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       顾亭林家恒服布衣,俯身者无寸缕之丝,当著《音学五书》时,《诗本音》卷二稿再为鼠啮,再为誊录,略无愠色。有劝其翻瓦倒壁一尽其类者,顾曰:“鼠啮我稿,勉我也。不然,好好搁置,焉能五易其稿耶?” 【注】顾亭林:顾炎武,明末清初著名学者。

1、解释下列句中划线词。

(1)家恒服布衣(           )

(2)勉我也。(           )

2、对文中画线句翻译正确的一项是 [ ]

     A、(他就)多次抄录,脸上没有一点生气的表情。

     B、(他就)抄录了两次,脸上没有一点生气的表情。

     C、(他就)多次抄录,脸上没有一点遗憾的表情。

     D、(他就)抄录了两次,脸上没有一点遗憾的表情。

3、有人劝说顾亭林彻底消灭家中的老鼠,原因是                                                        。(用原文语句回答)

4、“鼠啮我稿,实勉我也”表现了顾亭林                            的心态:“五易其稿”则表现了他

                            的态度。

题型:单项选择题

男性,56岁。高血压病患者。旅游登山中突然左侧肢体发麻、乏力。急送医院,摄头颅CT片如下图。

CT影像中描述病灶呈()。

A.高信号区

B.低信号区

C.低密度区

D.高密度区

E.不等密度区

题型:单项选择题

发生重大医疗过失行为,导致患者死亡的事故,医疗机构在多少小时内报告()

A.3小时

B.6小时

C.12小时

D.24小时

E.48小时

题型:单项选择题

People are indulging in an illusion whenever they find themselves explaining at a cocktail (鸡尾酒) party, say, that the are "in computers", or " in telecommunications", or "in electronic funds transfer". The implication is that they are part of the high-tech world. Just between us, they usually aren’t. The researchers who made fundamental breakthroughs in those areas are in a high-tech business. The rest of us are (121) of their work. We use computers and other new technology components to develop our products or to organize our affairs. Because we go about this work in teams and projects and other tightly knit working group (紧密联系在一起的工作小组), we are mostly in the human communication business. Our successes stem from good human interactions by all participants in the effort, and our failures stem from poor human interactions.
The main reason we tend to focus on the (122) rather than the human side of work is not because it’s more (123) , but because it’s easier to do. Getting the new disk drive installed is positively trivial compared to figurine out why Horace is in a blue funk (恐惧) or why Susan is dissatisfied with the company aver only a few months. Human interactions are complicated and never very crisp (干脆的,干净利落的) and clean in their effects, but they matter more than any other aspect of the work.
If you find yourself concentrating on the (124) rather than the (125) . you’re like the vaudeville character (杂耍人物) who loses his Keys on a dark street and looks for them on the adjacent street because, as he explains, "The light is better there!\

A.technology

B.sociology

C.physiology

D.astronomy

题型:单项选择题

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