患者,18岁,男性,医者对其右下肢作肌力检查,先将患者置于坐位,膝关节屈曲90°再嘱

题型:单项选择题 B1型题

问题:

患者,18岁,男性,医者对其右下肢作肌力检查,先将患者置于坐位,膝关节屈曲90°再嘱其伸直膝关节,患者不能完成此动作。()

A.髂腰肌

B.臀大肌

C.股四头肌

D.缝匠肌

E.臀中肌

考点:中医全科主治医师中医骨伤科学中医骨伤科学题库
题型:单项选择题 B1型题

质量为m的木块,被水平力F紧压在倾角的固定木板上,如图,木板对木块的弹力和摩擦力的合力大小为(   )

A.F

B.

C.

D.

题型:单项选择题 B1型题

The National Geographic Channel has unearthed a time capsule (时光宝盒)  buried by late Apple chairman and co-founder Steve Jobs thirty years ago.

The time capsule was buried in Aspen .Colorado .in 1983, shortly after Jobs attended the International Design Conference being held in that city. Organizers called the device the Aspen Time Tube and contributed items like Rubik's cubes(魔方) and some iconic music. Jobs added his own items to the capsule ,including the " Lisa"  ( also known as an "Apple" )"mouse he used for his presentation at the conference. '

Younger readers may not recognize the name but the Lisa Apple mouse was one of the first commercial mice released to consumers. The mouse was specially designed for the Apple  Lisa computer. It's also the first personal computer to offer users a graphical user interface(图形用户界面)

Initially ,the plan was to dig up the time capsule in the year2000,but organizers forgot its exact location. Recently .they brought in researchers working with the National Geographic Channel show Diggers to find the device. Eventually they came across the 13-foot-long.1. 5-foot-diameter tube. inside they found a lot of 1980s artifacts(人工制品)that are still being catalogued.

“When the end came off .literally things just poured out .”noted Diggers host Tim Saylor "There must be literally thousands of things in there.”

“They had the foresight to put a bunch of stuff in  plastic bags." Saylor said .“I could see at least a dozen plastic bags and other items. But I know for sure there got to be photographs in there. People had hand-written things on the back of the photographs ,so there will be some really interesting things inside.”

Among the artifacts researchers expect to discover inside :a Steve Jobs speech in which the Apple visionary outlines his predictions  for future technologies. We should know more about the researchers ,discoveries once the Diggers program airs this fall.

小题1:Which of the following is true about the Lisa mouse?

A.The mouse was the first commercial one for consumers

B.The mouse was created only for the Apple Lisa computer

C.The mouse was buried in Aspen ,Colotado for two decades.

D.The mouse was invented after the International Design Conference小题2:Why wasn't the time capsule dug up in 2000?

A.Because it was not the time set by Steve Jobs.

B.Because it could not be accurately located.

C.Because organizers forgot its precise shape .

D.Because the local government didn't approve.小题3:From the passage we can infer that_______.

A.there were some special photographs found-inside the time capsule

B.a Steve Jobs speech with future predictions was found inside the cap

C.Steve Jobs predictions for future technologies have come true

D.more about the capsule will be discovered in the Diggers program小题4:The best title for the passage might be _______.

A.The "Lost" Steve Jobs Time Capsule

B.The Mystery of Steve Jobs Speech Solved

C.Steve Jobs' 1983 Time Capsule Recovered

D.Co-founder & Former Apple CEO Steve Jobs

题型:单项选择题 B1型题

有关击出性骨折的处理,下列哪些是正确的?()

A.单纯击出性骨折,无复视及眼球陷下者可先保守治疗

B.若出现眼部症状者,不急于手术治疗

C.手术时应还纳眶内容物于正常位置

D.手术时应该复位骨折片或重建眶底

E.单纯击出性骨折,若出现眼部症状者,不急于手术治疗

题型:单项选择题 B1型题

在人B淋巴细胞膜上最具特征的受体是()

A.膜表面免疫球蛋白分子

B.羊红细胞受体

C.C3受体

D.IgGFc受体

E.丝裂原受体

题型:单项选择题 B1型题

拉深系数是指拉深后材料的断面面积与拉深前的()之比。

A.体积

B.质量

C.重量

D.断面面积

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