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【单选题】
免疫组织化学技术的首要试剂是A.
固定剂
B.
抗原
C.
抗体
D.
洗涤液
E.
标志物
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反馈参考答案：
举一反三
【单选题】Which of the following sentences is true according to this passage?
A.
It is by our experience that words are filled with meaning for us.
B.
Poets are masters of words but novelists are not.
C.
As meanings in words sing like music we should learn music in order to be a poet.
D.
Animals, unlike human beings, somehow invented certain sounds to express thoughts and feelings, actions and things.
【单选题】The very real and far reaching implications inherent in the current changes being experienced by government spaceports, with terms of their effect upon the whole international space community, are als...
A.
for terms of
B.
as terms of
C.
in terms of
D.
from terms of
【单选题】In the third paragraph, the word 'background' means ' ______'.
A.
stage
B.
condition
C.
experience
D.
setting
【单选题】The word 'undergo' in Paragraph 3 most probably means ______.
A.
endure
B.
encounter
C.
experience
D.
confront
【单选题】变异和畸形描述正确的是
A.
人体器官的形态、构造、位置、大小等在统计学上出现概率最多的状态称正常
B.
与正常值比较接近，差异不显著，统计学上出现概率比正常少，无明显功能障碍者称变异
C.
超出一般变异的范围，统计学上出现概率极低，常出现明显的功能障碍称异常，又称畸形
D.
畸形属于疾病，常需要手术治疗。
E.
以上都正确
【单选题】What is the idea that Professor Martin sticks to?
A.
Very bright children have rich experience in changing schools
B.
Changing schools regularly is not good for most children
C.
Changing schools regularly is good for most children
D.
Not changing schools regularly is not good for most children
【多选题】混凝土坝施工，若坝身在汛前不能浇筑到拦洪高程，可采取的措施有（）才能不停工
A.
坝面预留玦口渡汛
B.
基坑淹没导流，坝身过水
C.
采用临时断面拦洪
D.
坝体预留底孔渡汛
E.
坝体预留梳齿渡汛
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