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举一反三
【单选题】血流湍流是指
A.
血流总体方向一致，内部存在不同血流方向和速度
B.
血流方向和速度不一致
C.
血流由一侧流入，从另一侧流出
D.
血流在血管横切面中心流速快，边缘流速慢
E.
血流在血管横切面各点流速一致
【单选题】Good environment starts with location. We have heard some of the most successful operators say 26 is probably 50% of the reason for success. Location 27 that an establishment has to be easily 28 ...
A.
on
B.
to
C.
for
D.
with