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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The Nanzhao Kingdom is governed by ( )
A.
the Yi people
B.
the Bai people
C.
the Tubo people
D.
the Hui people
【单选题】心脏磁共振几何和功能评价,不包括()
A.
心脏形态评价
B.
心室容积计算
C.
心肌肌块正常心肌密度值
D.
心脏运动过程时间-压力、容积变化
E.
心脏血流动力学变化
【单选题】Does ocean acidification have the same impact across the entire ocean?(Please select one answer)
A.
Yes, because it is caused by an increase of atmospheric CO2, which affects oceans globally in the same way
B.
No, because acidification mostly affects corals in tropical waters
C.
Yes, because upwellings* blend alkaline and acidic waters
D.
No, because water temperature and oxygen saturation influence the rate of acidification
【单选题】Why isn't ocean acidification a local problem like other kinds of marine pollution?(Please select one answer)
A.
Because it is caused when atmospheric CO2 dissolves in the oceans all over the world, and humans are increasing global atmospheric CO2 concentrations
B.
Because C02 is dissolved especially easily in the polar regions and then spreads throughout the ocean along the thermohaline conveyer and major ocean currents
C.
Because CO2 is released from the deep ocean layers globally and cannot escape into the atmosphere
【单选题】According to the Solar Calendar of the Yi people, every month has ( ) days
A.
30
B.
31
C.
35
D.
36
【单选题】下列有关黑血技术的叙述,错误的是()
A.
主要采用双反转及三反转T2WI黑血序列
B.
可在某一方位加扫双反转T1WI黑血序列
C.
心肌和血管壁呈中等灰色信号强度
D.
心脏和血管腔呈流空黑色信号
E.
多用于心肌活性评价