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【单选题】
Why is the Holocene considered to be a desirable state for humanity?(Please select one answer)
A.
Because the Holocene is a short stable period between two ice ages
B.
Because the Holocene is a state with no volcanic activity and without tectonic plates
C.
Because the Holocene is the only period known to science that is able to support human civilization as we know it
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【单选题】What is Earth resilience?(Please select one answer)
A.
The ability of the earth system to withstand disturbances without shifting into a new state characterized by different structures, feedbacks and functions
B.
The ability of the earth to always bounce back from disturbances no matter how severe to its one and only ‘natural’ state
C.
The ability of the earth’s rainforests to withstand increasing temperatures and drought events
【单选题】下列关于颈部3D-TOF-MRA技术的叙述,错误的是()
A.
体位摆放注意下颌紧收,不能仰起
B.
以下颌下缘作为成像中心
C.
扫描块下缘包括主动脉上缘
D.
相位编码方向为前后方向
E.
在扫描层面上方设置预饱和带
【单选题】下列有关眼部MR扫描技术的叙述,错误的是()
A.
可疑眼球及眶内金属异物者,禁忌做MRI检查
B.
为防止因眼球活动产生伪影,应嘱被检者闭目,保持眼球不动
C.
为显示视神经病变,在斜矢状面T2WI时,一般无需采用脂肪抑制技术
D.
脂肪抑制序列需要添加局部匀场
E.
不压脂的T1WI对眼眶内占位性病变累及的范围显示较好
【单选题】What is the definition of a tipping point??(Please select one answer)
A.
A tipping point is that magic moment when an idea, trend, or social behavior crosses a threshold, tips, and spreads like wildfire
B.
A tipping point occurs when a system fundamentally changes its structure and function, and settles into a new stable state (as a result of changes in feedbacks)
C.
Population centres that are at great risk from natural disasters
【单选题】What is one of the major scientific challenges when it comes to analyzing the presence of tipping points and determining whether a particular threshold has been crossed?(Please select one answer)窗体顶端
A.
The scientific tools for detecting thresholds are very basic, which means that it is impossible to accurately detect tipping points
B.
Scientific uncertainty. Some parts of the earth system appear to be much more resilient than previously thought, while other parts of the earth system are providing indications that they are in fact less resilient and may even have crossed a tipping point
C.
All identified thresholds leading to tipping points in the earth system have been crossed and the challenge is to address the implications
相关题目：
【单选题】What is Earth resilience?(Please select one answer)
A.
The ability of the earth system to withstand disturbances without shifting into a new state characterized by different structures, feedbacks and functions
B.
The ability of the earth to always bounce back from disturbances no matter how severe to its one and only ‘natural’ state
C.
The ability of the earth’s rainforests to withstand increasing temperatures and drought events
【单选题】下列关于颈部3D-TOF-MRA技术的叙述,错误的是()
A.
体位摆放注意下颌紧收,不能仰起
B.
以下颌下缘作为成像中心
C.
扫描块下缘包括主动脉上缘
D.
相位编码方向为前后方向
E.
在扫描层面上方设置预饱和带
【单选题】下列有关眼部MR扫描技术的叙述,错误的是()
A.
可疑眼球及眶内金属异物者,禁忌做MRI检查
B.
为防止因眼球活动产生伪影,应嘱被检者闭目,保持眼球不动
C.
为显示视神经病变,在斜矢状面T2WI时,一般无需采用脂肪抑制技术
D.
脂肪抑制序列需要添加局部匀场
E.
不压脂的T1WI对眼眶内占位性病变累及的范围显示较好
【单选题】What is the definition of a tipping point??(Please select one answer)
A.
A tipping point is that magic moment when an idea, trend, or social behavior crosses a threshold, tips, and spreads like wildfire
B.
A tipping point occurs when a system fundamentally changes its structure and function, and settles into a new stable state (as a result of changes in feedbacks)
C.
Population centres that are at great risk from natural disasters
【单选题】What is one of the major scientific challenges when it comes to analyzing the presence of tipping points and determining whether a particular threshold has been crossed?(Please select one answer)窗体顶端
A.
The scientific tools for detecting thresholds are very basic, which means that it is impossible to accurately detect tipping points
B.
Scientific uncertainty. Some parts of the earth system appear to be much more resilient than previously thought, while other parts of the earth system are providing indications that they are in fact less resilient and may even have crossed a tipping point
C.
All identified thresholds leading to tipping points in the earth system have been crossed and the challenge is to address the implications
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