有关细菌学诊断中对病原菌的检验。最快速的细菌形态学检测方法是()。 A.分离培养 B

题型:单项选择题 A3/A4型题

问题:

有关细菌学诊断中对病原菌的检验。

最快速的细菌形态学检测方法是()。

A.分离培养

B.直接涂片镜检

C.血清学试验

D.动物试验

E.以上都是

考点:微生物检验技术(士)基础知识(综合练习)基础知识(综合练习)题库
题型:单项选择题 A3/A4型题

如图所示,光滑导轨与水平面成α角,导轨宽L,匀强磁场磁感应强度为B。金属杆长也为L,质量为m,水平放在导轨上。当回路总电流为I1时,金属杆正好能静止。求:

(1)B至少多大?这时B的方向如何?

(2)若保持B的大小不变而将B的方向改为竖直向上,应把回路总电流I2调到多大才能使金属杆保持静止?

题型:单项选择题 A3/A4型题

下述关于锌的生物学作用的叙述错误的是()。

A.锌可作为多种酶的功能成分或激活剂

B.可降低T细胞功能

C.促进维生素A的正常代谢和生理功能

D.增强免疫及抑制吞噬细胞的功能

E.促进机体生长发育,抑制核酸及蛋白质的合成

题型:单项选择题 A3/A4型题

根据短文内容和所给汉语提示,写出短文在空白出的个单词的适当形式。每空限用一词。

Parents, especially those of teenagers, care about their children’s education more than anything _小题1:___ (别的).They would do everything for their children. Many of them spend most of their spare time    小题2:   (帮助) their children with studies. If they have no time or can’t do it ____小题3:______(他们自己), they would hire family teachers or __小题4:____(送) their children to after-class schools. It seems as if a better education is all that parents ___小题5:______ (期待)for children.

How can we explain the present situation? First of all, many parents have 小题6:    (意识到)that future success ___小题7:_____(取决于) more and more on skills and education. Secondly, in a competitive(竞争的)society there are both losers and     小题8: (胜利者) .Those who have better skills and more knowledge will enjoy more opportunities.

Certainly, it is ____小题9:___(重要的) to learn to succeed, but the    小题10:  (第一)thing to learn is how to survive (生存), how to be a qualified citizen(合格的公民). If this is included in good education, the children will surely have a bright future and be healthy in body and mind.

题型:单项选择题 A3/A4型题

根据《全国消防条例》的规定,有下列哪些行为的,责令改正,对单位处1万元以上3万元以下罚款,对直接负责的主管人员和其他直接责任人员处1000元以上1万元以下罚款()

A.建设工程施工图设计文件审查机构对不符合消防技术标准强制性要求的施工图出具审查合格书的

B.未取得相应资格证书、超出资质许可范围或者违反消防安全技术规定从事建筑消防设施施工安装活动的

C.未经省公安机关消防机构许可,从事消防技术服务活动的

D.超出许可范围、违反消防安全技术规定从事消防技术服务活动的

题型:单项选择题 A3/A4型题

企业在竞争市场上要面对众多的竞争者,为了能够在竞争中更好的发挥自身优势,企业需要进行()。

A.市场竞争调研

B.市场环境调研

C.市场营销组合调研

D.市场需求研究

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