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【单选题】
Read the short passage and finish the exercises. In most languages, a greeting is usually followed by “small talk”. Small talk means the little things we talk about at the start of a conversation. In English-speaking countries people often make small talk about the weather: “Nice day, isn’t it?” “Terrible weather, isn’t it?” But there is something special about small talk. It must be about something which both people have the same opinion about. The purpose of small talk is to let both people agree on something. This makes meeting people easier and more comfortable. People usually agree about the weather, so it is a safe topic for small talk. But people often disagree about religion or politics so these are not suitable topics for small talk in English. The topics for small talk also depend on where the conversation is taking place. At football matches, people make small talk about the game they are watching: “Great game, isn’t it?” At bus stops, people may comment about the transport system: “The bus service is terrible, isn’t it?” Greetings and small talk are an important part of conversation in any language. The way people greet each other and the things they talk about, however, may be different from one language to another. This shows that there is much more to learn when we learn a language than just the vocabulary and the grammar of the language. We also have to learn the social behavior of the people who speak it. The passage suggests that when we learn a language ________.
A.
we should know the culture about the country
B.
we should only master the grammar and vocabulary
C.
we should grasp the importance of the language
D.
we should learn about the transport system of the country
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【单选题】关于斑点酶免疫吸附试验的特点描述,不正确的是
A.
NC膜包被蛋白的能力比普通ELISA板强
B.
检出灵敏度较普通ELISA高6~8倍
C.
试剂用量较ELISA节约约10倍
D.
吸附抗原(抗体)的NC膜与—20℃可保存半年
E.
操作简便,结果易判断,且可以准确定量
【简答题】总量指标指数体系的数量关系表现为 ;平均指标指数体系的数量关系表现为 。
【简答题】影响赛前状态焦虑的环境因素主要有______和______。
【简答题】镜下血尿是指离心后每高倍视野中红细胞超过
【多选题】影响赛前状态焦虑的环境因素主要有__________和________。
A.
特质焦虑
B.
比赛的重要程度
C.
自尊
D.
比赛结果的不可预测性
【简答题】三价铬是生物体所()的微量元素之一。铬的毒性与其存在的状态有极大的关系。()价铬具有强烈的毒性,它的毒性比三价铬高100倍。
【单选题】关于酶联免疫斑点试验(ELISPOT)的说法正确的是()
A.
ELISPOT比ELISA和优先稀释法更灵敏
B.
捕获抗体为高亲和力、高特异性和低内毒素McAb
C.
ELSPOT源自ELISA,又突破传统的ELISA
D.
ELISPOT应用非常广泛
E.
以上都正确
【单选题】影响赛前状态焦虑的环境因素主要有( )和比赛结果的不可预测性。
A.
比赛结果
B.
特质焦虑
C.
自尊
D.
比赛的重要程度
【单选题】关于MAIPA方法,不正确的观点是
A.
中文名称是改进的抗原捕获酶联免疫吸附试验
B.
是1987年Kiefel等报道的一项应用较为广泛的免疫学技术
C.
血小板先结合人的同种抗体,然后与不同的抗血小板膜糖蛋白的鼠抗人血小板单克隆抗体孵育
D.
经洗涤后裂解血小板,将产物移至包被的羊抗鼠IgG微孔板内
E.
通过加入辣根过氧化物酶标记羊抗人IgG,经酶底物显色可以检测血小板膜糖蛋白特异的同种抗体
【单选题】镜下血尿是指离心后每高倍视野中红细胞超过
A.
1个
B.
2个
C.
3个
D.
4个
E.
5个
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