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【单选题】
From the news, we know that analysts said, however, that the latest and any other production increases will have little impact because ______.A.
all of OPEC's 11 members, except for Saudi Arabia, refused the suggestion
B.
all of OPEC's 11 members, except for Saudi Arabia, have reached their highest production point
C.
the market will not be decided by mankind
D.
the United States will lead the action
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举一反三
【简答题】三凹征是指吸气时 ( ) 、 ( ) 、肋间隙出现明显凹陷,是由于上部气道部分梗阻所致吸气性呼吸困难。
【单选题】三凹征是指
A.
呼气时，胸骨上窝、腹部、肋间隙向内凹陷
B.
吸气时，腹上角、肋间隙、锁骨上窝凹陷
C.
吸气时，胸骨上窝、锁骨上窝、肋间隙向内凹陷
D.
吸气时，胸骨上窝、腹部、肋间隙向内凹陷
E.
呼气时，胸骨上窝、锁骨上窝、肋间隙向内凹陷
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