MRI不注入对比剂便能帮助识别血管的存在及血管内的血液是否流动或已形成栓塞,主要是利

题型:单项选择题 A1/A2型题

问题:

MRI不注入对比剂便能帮助识别血管的存在及血管内的血液是否流动或已形成栓塞,主要是利用了MRI的哪个特性?()

A.多参数成像

B.多方位成像

C.流动效应

D.多层螺旋

E.对比增强

考点:康复医学治疗技术(师)影像学影像学题库
题型:单项选择题 A1/A2型题
阅读下面的短文,按信息表中的要求填写信息。
     My name is Li Hua. Jack is my good friend. Before he started high school, he used to spend a lot
of time playing games with me. But now he is always busy. He used to like doing sports, but now he
likes painting very much. He used to be on the basketball team. Now, he is a member of an art club.
He used to be afraid of swimming, but now he is a good swimmer. His parents said they used to do
the same thing when they were children. When his parents were children, they used to play games
with their friends and like sports very much. So Jack and his parents are good friends.
Information Card
How did Jack use to get along with his life?
How is Jack getting along with his life now?
He spent a lot of time playing games.He 1_____.
He liked sports. He likes 2 _____ .
He used to be on the 3_____team.He is a member of 4_____.    
He used to be afraid of 5_____ .  He is a good swimmer.
题型:单项选择题 A1/A2型题

要想通过体细胞杂交技术获得杂种植株,下列各套步骤中正确的是[ ]

A.分离原生质体→诱导原生质体融合→再生细胞壁→组织培养→杂种植株

B.分离原生质体→原生质体自然融合→再生细胞壁→组织培养→杂种植株

C.病毒诱导原生质体融合→组织培养→杂种植株

D.分离原生质体→脱分化→再分化→杂种植株

题型:单项选择题 A1/A2型题

呕血最常见的疾病是

A.食管或胃底静脉曲张破裂

B.急性胃黏膜病变

C.消化性溃疡

D.胰腺癌

E.食管癌

题型:单项选择题 A1/A2型题
洗衣机在脱水时,脱水筒在高速旋转,衣服会被“甩”到脱水筒的筒壁上,正确的分析有(  )

A.筒壁上的衣服受到离心力作用,所以才会被“甩”至筒壁

B.筒壁上的衣服受到重力、筒壁的弹力、还有筒壁的摩擦力作用

C.若提高转速,筒壁对衣服的摩擦力会相应变大

D.筒壁对衣服的弹力会随着衣服含水量的不断减少而变小

题型:单项选择题 A1/A2型题

某香港居民在厦门市思明区设立一个体工商户,则其从业人员的要求是()

A、不少于5人

B、不超过5人

C、不超过8人

D、不超过10人

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