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【单选题】
V3～V5导联出现异常Q波，ST段抬高A.
急性广泛前壁心肌梗死
B.
急性前侧壁心肌梗死
C.
急性前壁心肌梗死
D.
急性前间壁心肌梗死
E.
急性下壁心肌梗死
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反馈参考答案：
举一反三
【多选题】当对选中的一段文字要进行复制,操作的方法是( )
A.
在空白处单击右键在弹出的菜单中选择“复制”
B.
将鼠标指向选中的文字单击右键在弹出的菜单中选择“复制“菜单
C.
直接单击常用工具栏上的“复制”按钮
D.
单击“编辑”菜单中的“复制”菜单
【单选题】Why do the high-speed trains run so fast?
A.
They are driven by CRY electric multiple unit.
B.
Because the ticket price is high
C.
CRH train sets are newly designed
D.
They carry less passenger than ordinary trains
【单选题】Why do the high-speed trains run so fast?( )
A.
They are driven by CRH electric multiple unit
B.
Because the ticket price is high
C.
CRH train sets are newly designed
D.
They carry less passenger than ordinary trains
【单选题】Why do athletes often go to high altitudes to train?
A.
Because they want to increase the amount of haemoglobin in their bodies.
B.
Because it may help reduce the amount of red blood cells in their bodies.
C.
Because they intend to learn more from the mountain dwellers.
D.
Because it can help them to adapt themselves to the high altitude.
【单选题】Why do power transmission systems use high voltages?
A.
Transformers are more efficient at high voltages
B.
The wires become highly charged and repel
C.
Joule heating losses are decreased
D.
Three-phase systems can only work at high voltages
【简答题】What do you think the long-term effects of high staff turnover might be? (Why? / Why not?)
【单选题】Why do some gas station owners no longer accept credit cards?
A.
High credit card interchange fees.
B.
They like the 'instant gratification' of getting cash better.
C.
Credit fraud.
D.
Time-wasting
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