患者，女，21岁。4天前劳累后出现右下后牙龈胀痛，进食、吞咽时加重。昨日出现局部跳痛，开口受限，伴发热。检查见右面下部稍肿胀，开口二指，右下第三磨牙近中阻生，冠周龈红肿、触痛明显，挤压时有少许脓液从远中盲袋内溢出。
如果该患者经治疗后病情明显好转，已无开口受限，仅右下第三磨牙远中牙龈轻度压痛，此时合理的处置应为（）
A.局部冲洗上药
B.远中龈瓣切除
C.拔除右下第三磨牙
D.继续口服抗生素
E.不做处理
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As we know, there are differences between western culture and Chinese culture. We can see differences
when we pay attention to the way words are used. Let's look at the words about animals and plants. Most
expressions in Chinese about the dog, for example, "a homeless dog","a mad dog","a running dog" and "a dog
catching a mouse", have negative* meanings. But in western countries, dogs are thought to be honest and
good friends of humans. In English, people use the dog to describe positive* actions. For example,"you are
a lucky dog" means you are a lucky person. And "every dog has its day" means each person has good luck
sometimes. To describe a person's serious illness, they say"sick as a dog". The word "dog-tired" means very
tired. However, Chinese love cats very much. But in western culture,"cat" is often used to describe a woman
who is cruel*.
The rose is regarded as a symbol* of love in both China and some western countries. People think the rose
means love, peace, courage and friendship. And the rose is the national flower of England, America and many
other countries.
The words about plants and animals are used in positive or negative ways in different cultures. We can
learn about many differences in cultures by comparing how some words are used.
1. "Every dog has its day." means"_______".
A. Everybody in the world is lucky.
B. Each person lives his own way of life.
C. If one works hard, he's sure to succeed.
D. Everybody has a time in life to be lucky.
2. Western people usually use "cat" to refer to "_______".
A. a tired person
B. a brave man
C. a homeless person
D. an unkind woman
3. Which of the following is true according to the passage?
A. Words show differences in culture.
B. Chinese people prefer dogs to cats.
C. Western people think cats to be good friends.
D. Rose is the national flower of all western countries.
4. What's the best title for the passage?
A. Negative or Positive
B. Different Countries Have Different Culture
C. Rose Means the Same in Chinese and English
D. What Dog and Cat Mean in English and Chinese
在一定条件下，单质B、C、D、E都能与A单质发生化合反应，转化关系如图所示。已知：①G是黑色晶体，能吸附B单质；②H能与氢氧化钠溶液或盐酸反应；③实验时在G和C的混合物表面加入某强氧化剂粉末，在表面上插入一根除去氧化膜的E片，点燃E引发G与C的反应；④I是绿色植物光合作用的原料，温室中常用它作肥料。根据上述信息，回答下列问题：
（1）I的电子式为 ，G的俗名是 。
（2）以C和E为电极在NaOH溶液中构成原电池，该原电池的负极反应式为 。
（3）根据E和A反应的能量变化图像写出热化学方程式： 。
（4）两种常见含C元素的盐，一种pH>7，另一种pH<7，写出这两种溶液混合时发生反应的离
子方程式：
（5）写出B在高温下和水蒸气反应的化学方程式并标出电子转移方向和总数 。
次黄嘌呤—鸟嘌呤磷酸核糖转移酶(HGPRT)是嘌呤合成补救途径的关键酶。遗传性的HGPRT酶活性缺乏是下列哪种疾病的主要原因
A．痛风
B．Lesch-Nyhan综合征
C．乳清酸尿症
D．严重联合免疫缺陷病
E．Tay—Sachs病
《工伤保险条例》规定的工伤职工停止享受工伤待遇的情形有（）.
A.拒不接受劳动能力鉴定
B.拒绝治疗
C.被判刑正在收监执行
D.经治疗完全恢复劳动能力
E.已享受更优的养老保险待遇
网络分级服务（SLA）中规定，客户服务等级为（）服务
A.标准级
B.铜牌级
C.银牌级
D.金牌级