下列哪项对麻疹的早期诊断有辅助价值() A.鼻咽部分泌物和痰涂片染色查多核巨细胞 B

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问题:

下列哪项对麻疹的早期诊断有辅助价值()

A.鼻咽部分泌物和痰涂片染色查多核巨细胞

B.鼻咽部分泌物,分离麻疹病毒

C.用间接免疫荧光法检测鼻咽部分泌物涂片中细胞内麻疹病毒抗原

D.血液中补体结合抗体测定

E.用标记的麻疹病毒cDNA探针测患者细胞内的麻疹病毒RNA

考点:眼科住院医师传染病防治传染病防治题库
题型:多项选择题
阅读理解。
        Started in 1636 , Harvard University is the oldest of all the many colleges and universities in the United
States . Yale , Princeton , Columbia and Dartmouth were opened soon after Harvard .
        In the early years , these schools were much similar . Only young men went to colleges . All the students
studied the same subjects , and everyone learned Latin , Greek and Hebrew . Little was known about science
then , and one kind of school could teach everything that was known about the world . When the students left
school , most of them became ministers or teachers .
        In 1782 , Harvard started a medical school for young men who wanted to become doctors . Later, lawyers
could receive their training in Harvard's law school . In 1825 , besides Latin and Greek , Harvard began teaching
modern languages , such as French and German . Soon it began teaching American history .
        As knowledge increased , Harvard and other colleges began to teach many new subjects . Students were all
owed to choose the subjects that interested them .
        Today , there are many different kinds of colleges and universities . Most of them are made up of smaller
schools that deal with (涉及) special fields of learning . There's so much to learn that one kind of school can't
offer it all .
1. The oldest university in the US is           .
[ ]
A. Columbia
B. Harvard
C. Princeton
D. Yale
2. From the second paragraph, we can see that in the early years,            .
[ ]
A. those colleges and universities were the same
B. people , young or old , might study in the colleges
C. students studied only some languages and science
D. when the students finished their school , they became lawyers or teachers
3. Modern languages that Harvard taught in 1825 were              .
[ ]
A. Latin and Greek
B. French and German
C. American history and German
D. Latin , Greek , French and German
4. As knowledge increased, colleges began to teach               .
[ ]
A. many new subjects
B. law and something about medicine
C. everything that was known
D. the subjects that interested students
5. On the whole, the passage is about              .
[ ]
A. how to start a university
B. how colleges have changed
C. the world-famous colleges in America
D. what kind of lesson each college teaches
题型:多项选择题

There are many ways____learn a language. I think using it is the ___way. [ ]

A. to; best               

B. of; good

C. to; good                

D. of; best

题型:多项选择题

在下列空格中填上元素名称或元素符号

镁______   氮______    P______  Cl______.

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吴梁同学在距一支粉笔的粗端2cm处点上一滴蓝墨水,将粉笔插入盛有酒精的培养皿中。过了一段时间,吴梁发现随着酒精的上升,蓝墨水也在粉笔上不断移动,最后蓝墨水在粉笔上分为两个区域,上半部分是蓝色,下半部分是紫色(如下图所示)。根据上述现象回答下列问题:

(1)蓝墨水属于______(填“纯净物”或“混合物”)。

(2)由此实验可以作出的推测是_______(填序号)。

①用滤纸条代替粉笔重复上述实验,也能得到相似的实验现象

②不同分子在同种介质(如粉笔)中的运动速度不同

③不能用上述实验的原理分离混合物

题型:多项选择题

金融衍生工具的内容主要包括( )。

A.金融期货

B.金融期权

C.金融互换

D.股票

E.远期合约

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