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【单选题】
.女.40岁,患风湿性心脏病二尖瓣狭窄20余年,因心慌.气短4天而入院治疗可闻及哪种心脏杂音A.
二尖瓣区收缩期吹风样杂音
B.
主动脉瓣区舒张期叹气杂音
C.
主动脉瓣区收缩期吹风样杂音
D.
二尖瓣区舒张期隆隆样杂音
E.
三尖瓣区舒张期雷鸣样杂音
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举一反三
【简答题】战略管理是一种()管理过程。
【单选题】What is the key to oil price in the author's opinion?
A.
Energy crisis.
B.
Dozens of varieties of crude trading.
C.
Several challenges facing the oil industry.
D.
The rise of resource nationalism.
【单选题】California was forced to adopt this plan because ______.
A.
a recent oil crisis necessitated it
B.
too many drivers were filling their tanks with more than twenty gallons and spilling it
C.
people were not getting enough exercise and need to walk, bike, or skate
D.
too many motorists had odd-numbered plates
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