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【简答题】
为了探究某种复方草药对某种细菌性乳腺炎的疗效是否与机体免疫功能的增强有关,某实验小组将细菌性乳腺炎模型小鼠随机分成实验组(草药灌胃)、空白对照组(蒸馏水灌胃)和阳性对照组晚疫增强剂A灌胃),并检测免疫指标.回答下列问题: (1)在制作细菌性乳腺炎模型小鼠的过程中,小鼠所感染的细菌在免疫学上称为____。 (2)在实验中,如果实验组小鼠吞噬细胞的吞噬能力显著高于阳性组,极显著高于空白对照组,则说明该草药增强了小鼠的非特异性免疫功能且作用效果高于____;如果实验组小鼠吞噬细胞的吞噬能力低于阳性对照组而高于空白对照组,则说明____。 (3)某学者指出该复方草药中的一味草药K有一定的毒性,可考虑增设一组模型小鼠,对其进行____ ____处理,以确定草药K是否为复方草药的关键成分。 (4)研究表明,实验组小鼠的浆细胞水平明显高于空白对照组,与阳性组相近.说明该草药可提高小鼠特异性免疫中的____免疫。 (5)通常细菌侵入人体会导致发热,此时位于____的体温调节中枢会通过调节加速____(填散热或产热).而人体在这时通常会发冷,的产生部位是____。
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举一反三
【简答题】The following points are provided for you to think of your life and you are expected to be a better one. ·Get to know yourself. Discover the real you. Don’t accept the role which doesn’t belong to you...
【单选题】组成合金的最基本的、独立的物质叫做
A.
组元
B.
组织
C.
D.
固溶体
【简答题】Directions:In this part,you are expected to write a composition entitled Pressures of Modern Man in no less than 200 words.Your composition should be based on the following outlines. 现代人会遇到各种各样的压力 2.压...
【简答题】If you rent accommodation using a real estate agent, you are expected to live in the house or flat for a minimum period of______.
【简答题】It this part,you are expected to write a composition entitled Pressures of Modem Man in no less than 200 words. Your composition should be based on the following outlines. 1.现代人会遇到各种各样的压力 2.压力的来源 3.如何...
【简答题】一种金属元素与其它金属元素或非金属元素,通过熔炼或其它方法结合而成的具有金属特性的物质称为合金;组成合金的独立的最基本的物质叫做组元;即合金中具有同一成分、同一聚集状态,并能以界面相互分开的各个均匀组成部分称为相;所谓的 是指用金相观察方法,在金属及合金内部看到的涉及晶体或晶粒的大小、方向、形状、排列状况等组成关系的构造情况。
【单选题】Which of the following statements is TRUE according to the passage?
A.
You are expected to read various kinds of materials at the same rate.
B.
A great deal of specialized knowledge is required to read books of general interest.
C.
Titles, introduction and paragraph heading are of great help for grasping the overview of the text.
D.
It is less likely that you can raise your average reading rate over the whole range of materials you wish to cover within a short time.
【简答题】It this part, you are expected to write a composition entitled Pressures on Modern Men in no less than 200 words. Your composition should be based on the following outline. 1.现代人会遇到各种各样的压力 2.压力的来源 3.如...
【单选题】When you become a college student, you are expected to take more _________ in you study habits and time management.
A.
priority
B.
discipline
C.
initiative
D.
enthusiasm
【简答题】组成合金最基本的、独立的物质叫做____。
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