混床再生之后,充入压缩空气的作用是()。A、擦洗树脂 B、顶压 C、混合阴阳树脂 D

题型:单项选择题

问题:

混床再生之后,充入压缩空气的作用是()。

A、擦洗树脂

B、顶压

C、混合阴阳树脂

D、排气

考点:化学水处理工化学水处理工题库
题型:单项选择题

下列选项中,不属于条码识别技术特点的是()。

A.使用成本高

B.可靠性高

C.设备结构简单

D.灵活、实用

题型:单项选择题

男,40岁,因大量蛋白尿,高度浮肿,诊断肾病综合征入院。肾穿活检病理为:微小病变型,即予泼尼松60mg/d口服,症状有所控制。治疗3周后,又出现大量蛋白尿,双下肢浮肿加重,肾功能减退。此时首先应考虑

A.感染

B.肾静脉血栓形成

C.加用细胞毒药物

D.糖皮质激素冲击

E.急性肾衰竭

题型:单项选择题

患者女性,38岁。有明显基础代谢增高症状及交感神经兴奋症状,浸润性突眼,甲状腺Ⅲ度弥漫性肿大,质软,双侧甲状腺上下极均可闻及血管杂音。

该病患者常伴有的脂质代谢紊乱为()。

A.血胆固醇减低

B.血胆固醇增高

C.血甘油三酯减低

D.血甘油三酯升高

E.血LDL-C升高

F.血LDL-C减低

题型:单项选择题
阅读理解。

                                             Part-time Front Desk Position
     Kirchoff, Inc. , a book development company, is looking for a part-time front desk office
worker. This position is perfect for a person who is cheerful, dependable,and pleasant to work
with. Also, you should be able to welcome guests, redirect phone calls, and take messages.
More importantly, you can stay cool under pressure. You are expected to work 5:00 - 6:00
pm weekdays. You need to fill in some forms if you are interested.
     Forms can be collected at
                        Kirchoff, Inc.
                      866 United Nations Plaza, # 525
                         New York,NY 10017


                      Important Points to Remember When Swimming
     Wait at least an hour after meals.
     Follow the advice of lifeguards.
     Don't dive into unknown waters. Always swim in line with the shore.
     Find out at the seaside when and where it is safe to swim.
     Don't use floating toys on the water. Wind can easily sweep them out to sea.
     Get out of the water if you feel tired or cold. Cold can kill even strong swimmers.
              Help Telephone: 212?543?5902
               Atlantic City Beach Office

      Arrive on time.
     Introduce yourself in a polite manner.
     Read company materials while you wait.
     Have a firm handshake.
     Listen.
    Use body language to show interest.
    Smile and nod to the interviewer.
    Ask about the next thing you should do.
     Thank the interviewer.
    Write a thank-you letter to anyone you have spoken to.
              For more information, please visit jobweb.com
            368 Cooper Square,New York. NY 10008

1. What does a person need most to be fit for the one-hour weekday job?
A. He should be cheerful, dependable, and easy going.
B. He has to work from Monday to Friday.
C. He can remain calm in a difficult situation.
D. He can welcome guests and deal with phone calls.
2. According to the above information, what is the right thing to do when you swim?
A. To keep close to the beach.  
B. To dive into unknown waters.
C. To use floating toys on the water.  
D. To swim soon after lunch.
3. The best title for the last piece of information would be _______.
A. Tips on Showing Interest in a Job
B. Steps to a Successful Interview
C. Advice on Introducing Yourself Politely
D. Rules of Body Language in an Interview
题型:单项选择题

男孩,8岁,右上前牙肿包3天就诊。患儿近半年来右侧经常冷热刺激痛,吃饭痛。偶有自发痛。不用右侧吃饭。一周前右上前牙疼痛加重,3天前牙床肿痛。检查:舌隆突处有内陷窝,腐质较软,探窄深。叩诊(+),松动Ⅰ°。牙龈充血,根尖区牙龈有一小脓包,刺破有脓液溢出。x线显示根周膜不连续,根尖区边缘弥散低密度影像,根尖孔大喇叭口。龋洞深,探诊无反应,不松动,叩痛(-)。大面积龋坏,髓腔暴露,叩诊(+),松动Ⅰ°。牙颈部有瘘管,牙龈充血。X线显示 EI根分歧及近中根处有低密度影,根周骨硬板消失。牙根形成1/3,牙囊不连续,上方骨板破坏。

的治疗方法是()

A.瘘管搔刮术

B.冠髓切断术

C.根尖诱导成形术

D.根管治疗

E.塑化治疗

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