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【单选题】
In this lecture, Professor Rockström indicates that the update to the science of planetary boundaries will make a change to the calculation of the land and water use boundaries. What is this change highlighted by Professor Rockström?(Choose one correct answer)
A.
The updated science will use an entirely ‘top-down’ approach, looking at how much land and water can be used before inducing a tipping point
B.
The updated science will use an entirely ‘top-down’ approach, looking at how much land and water must be maintained in order to maintain resilience
C.
The updated science will use an entirely ‘bottom-up’ approach. At the local scale, the level of biodiversity loss and novel entities that can be reached before inducing a tipping point will form the basis of the assessment
D.
The updated science will combine a ‘top-down’ approach with a ‘bottom-up’ approach. At the local/regional scale how much land in forest systems and freshwater in river basins must be maintained in order to sustain Earth resilience
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【单选题】下列有关胸椎MR扫描技术要点与质量控制的叙述,错误的是()
A.
胸椎前方设置预饱和带,有助于减少心血管搏动及胸部呼吸运动伪影
B.
在扫描范围上、下方设置饱和带,可消除脑脊液流动伪影
C.
矢状位相位编码方向取前-后方向
D.
冠状位相位编码方向取头-足方向或左-右方向
E.
横轴位相位编码方向可取前-后方向
【单选题】Which of the following is the most popular houses of the Dai people?
A.
bamboo house on poles
B.
clay house
C.
courtyear house
D.
log house
【单选题】Essential elements (i.e. nitrogen and phosphorous) serve what essential function?(Please choose one correct answer)
A.
They help to regulate biological processes and shape life on earth
B.
They are the elements taken up by microorganisms and drive all primary production
C.
They are the man-made components that act as catalysts for creating artificial fertilizers
D.
They are all the elements that can be found on the periodic table
【单选题】下列有关颈椎MR扫描技术要点与质量控制的叙述,错误的是()
A.
颈椎前方设置预饱和带,有助于减少吞咽动作伪影及颈血管搏动伪影
B.
采用层面选择方向流动去相位技术,能减少脑脊液流动伪影
C.
矢状位相位编码方向取头-足方向
D.
冠状位相位编码方向取头-足方向或左-右方向
E.
横轴位相位编码方向取前-后方向时,有卷积伪影的影响
【单选题】The Dai culture is also known as ( )
A.
the Dongba culture
B.
the Bimo culture
C.
the Pattra-leaf culture
D.
the Munao culture