[判断题]调车作业人员应保证班前充分休息，班中按规定着装。
A.正确
B.错误

[单选题]胃十二指肠溃疡急性穿孔的早期表现是
A.上腹部突发剧痛、腹膜刺激征阳性
B.呕吐、黑便
C.高热
D.腹部移动性浊音
E.肝浊音界缩小和消失

[判断题]对一项发明创造的专利申请权或被授予的专利权发生争议的，当事人可以请求专利管理机关处理，也可以直接向人民法院起诉。( )

[简答题]62.影响汽包水位急剧升高的原因有哪些？

[单选题]原料油泵启动后，应根据(　　)手动调节回流阀。
A.马达电流大小
B.泵出口流量大小
C.泵出口压力大小
D.泵的振动情况

[判断题]和谐电力机车按下紧急停车按钮会造成：主断路器断开，受电弓自动降下。( )
A.正确
B.错误

[单选题]电子商务是信息技术在( )方面的应用.
A.家庭生活
B.日常学习
C.通信服务
D.金融和商业

[单项选择]

女性，23岁，腹胀、腹痛3个月，近1个月发热、盗汗。查体：移动性浊音（+）。腹水常规：比重1.018，蛋白定量37g/L，白细胞580×10⁶/L，淋巴细胞0.80。HBsAg（+），肝功能正常。最可能的疾病是（）

A. 结核性腹膜炎
B. 卵巢囊肿
C. 肝硬化并结核性腹膜炎
D. 肝硬化并自发性腹膜炎
E. 腹膜癌

[单选题]狭义的绿色营销主要指企业在营销活动中，谋求的协调不包括（ ）
A.消费者利益
B.企业利益
C.环境利益
D.公众利益

[单选题]进行线路拨道时，当指挥者要表示用力拨时，其手势指挥是()。
A.两手握拳高举头上相碰
B.两手高举，食拇指张开作大圆弧状
C.两手放胸前，食拇指张开作小圆弧状
D.两手下垂，在体前向拨道方向快速用力摆动

[单项选择]患者，男，26岁。右上第三磨牙近中倾斜，食物嵌塞，拟拔除。最常用的麻醉方法是（）
A. 上牙槽后神经和腭前神经阻滞麻醉
B. 局部浸润麻醉
C. 鼻腭神经阻滞麻醉
D. 眶下孔阻滞麻醉
E. 下牙槽神经阻滞麻醉

[单项选择]By saying "the out-of-sight class" (Sentence 3, Para.2), the author means that ______.

[简答题]DF4机车一般使用___清洗辅机刷架。

[判断题]沟（槽）开挖时，在堆置物堆起的斜坡上可以放置工具材料等器物。
A.正确
B.错误

[单项选择]引起铆钉损坏一般情况是那种类型的载荷（）。
A. 拉伸载荷
B. 冲击载荷
C. 反推操作实验
D. 剪切载荷

[单项选择] Sickness at work
Small firms are counting the cost of sickness among employees. Research estimates that illness cost small businesses in Britain a month and a half in lost (21) last year. A recent (22) of more than 1,000 small and medium enterprises revealed that last year the average small business lost around 42 days through staff phoning in sick, and that this had a serious (23) on 27 per cent of smaller companies.
Just over one in ten employees took time off for seven days in a
(24) Of these, 9.5 per cent were ill for a week on more than one occasion. In Britain, employees can take sick (25) for up to a week before they have to produce a medical certificate. Owner-managers were far less likely to be off sick than their staff: 3.3 days on average, compared with the 10 days taken by employees.
The head of the research team said, ’The most common (26)
A. row
B. line
C. series
D. sequence