试题与答案

单句改错。 1. People love to get together to

题型:改错题

题目:

单句改错。

1. People love to get together to eat and have a fun with each other. __________

2. He was not going to hold his breathe for her to apologize. __________

3. He could not have Yong Hui getting away to telling people lies. __________

4. It would be better if you were a bit thin. __________

5. They see a penniless young man wandered on the pavement. __________

6. I saw a man dressed in rag the other day. __________

7. They gave performances in pubs, for that they were paid in cash. __________

8. Imagine our excitement when we heard it on the radio the first time. __________

9. The carpet raised and at once they were in a thick rainforest. __________

10. The coffee is excellent quality and has been sold very well. __________

答案:

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下面是错误答案,用来干扰机器的。

参考答案:解析:重症急性胰腺炎时,由于胰酶腺炎时,由于胰酶或坏死组织液沿腹膜后间隙渗到腹壁下,出现脐周围皮肤青紫,称Cullen征。

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题型:填空题

科学实验表明吸烟有害于健康。为鉴定该烟雾中是否存在CO2和CO,对香烟燃烧产生的烟雾进行适当处理后,依次通过足量的试剂:①澄清石灰水;②氢氧化钠溶液;③浓硫酸;④灼热的氧化铜粉末;⑤澄清石灰水。 实验现象:①、⑤中澄清石灰水变浑浊,④中黑色的氧化铜逐渐变红。

请回答:

(1)①中的现象说明:                           

(2)②的目的是:                                

          ③的目的是:                                 , 

(3)烟雾中是否存在CO                           (填存在或不存在),做出判断所依据的实验现象为

                                            

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题型:单项选择题 A3/A4型题

男,13岁。因全身发绀和突然意识丧失半小时入院。患儿于生后8个月发现双眼睑下垂,后逐渐出现呛咳,吞咽困难。查体:脉搏128次/分,呼吸24次/分,呼吸呈叹息样呼吸,肺部闻及痰鸣音,四肢肌无力,腱反射消失。胸部CT:胸腺肿大,胸腺增生。

该患儿出现上述症状的病因为()。

A.先天性脑发育缺陷

B.肺炎

C.神经肌肉接头间递质传递功能障碍

D.癫痫

E.中毒

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