有关隐睾的并发症下列哪项是不多见的() A.隐睾恶变 B.睾丸扭转 C.造成不育 D

题型:单项选择题 A1型题

问题:

有关隐睾的并发症下列哪项是不多见的()

A.隐睾恶变

B.睾丸扭转

C.造成不育

D.造成心理不良影响

E.造成两性畸形

考点:广东住院医师急诊医学普通外科普通外科题库
题型:单项选择题 A1型题
已知正数a,b,c满足:ab+bc+ca=1.
(1)求证:(a+b+c)2≥3;(2)求a
bc
+b
ac
+c
ab
的最大值.
题型:单项选择题 A1型题

下列单细胞生物,能在人体中寄生生活的是(  )

A.衣藻

B.疟原虫

C.酵母菌

D.草履虫

题型:单项选择题 A1型题

根据作画中的排线推断文艺复兴时期的左撇子大画家是()。

题型:单项选择题 A1型题

完形填空:下面的短文有l5处空白,请根据短文内容为每处空白确定l个最佳选项。

Obesity(肥胖) Causes Global Warming.

The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.

This ______(51)comes from Sheldon Jacobson of the University of Illinois, US, and a doctoral student, Laura McLay. Their study ______(52) how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. ______(53)

There has been ______(54) for taxes on junk food in recent years. US economist Martin Schmidt suggests a tax on fast food ______(55)to people’s cars. "We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy life style will end ______(56) costing taxpayers more."

US political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such ______(57) are getting attention.

At the US Obesity Society's annual meeting, one person ______(58) obesity with car accident deaths, and another correlated obesity with suicides. No one asked whether there was really a cause-and-effect relationship. " The funny thing was that everyone took it ______(59)." Oliver said.

In a 1960s study, children were ______(60) drawings of children with disabilities and without them, and a drawing of an obese child. They were asked ______(61) they would want for a friend? The obese child was picked last.Three researchers recently repeated the study ______(62) college students. Once again, ______(63) no one, not even obese people, liked the obese person. " Obesity was stigmatized." the researchers said.

But, researchers say, getting______ (64) is not like quitting smoking. People struggle to stop smoking, and, in the end, many succeed. Obesity is different. Science has shown that they have limited personal control over their weight Genes also______ (65) a part.

52.(单项选择题)                       

A.doubts

B.reports

C.calculates

D.reviews

题型:单项选择题 A1型题

关于白喉棒状杆菌,不正确的是

A.菌体一端或两端可见异染颗粒

B.在亚碲酸钾血琼脂平板上生成黑色菌落

C.调查人群对白喉有无免疫力可进行锡克试验

D.白喉毒素的产生与前噬菌体有关

E.白喉的特异性治疗应早期足量使用类毒素

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