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【单选题】
患者,男性,49岁,既往有高血压、脑出血史,现脑出血术后16天出院,突发高热,由家人送至急诊科。医生诊察后判定患者气道部分阻塞,昏迷患者最常见气道阻塞的原因是( )口腔内异物A.
呕吐物
B.
出血快
C.
咽喉部肿胀
D.
舌根后坠
E.
分泌物
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举一反三
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
【简答题】有一二端网络，用一内阻为10^5Ω的电压表测得其端电压为45V，若换用一内阻为5*10^4Ω的电压表来测，则测得的端电压为30V，则该网络端电压的真实数值为( )V。
【单选题】有一二端网络，用一内阻为【图片】的电压表测得其端电压为45V，若换用一内阻为【图片】的电压表来测，则测得的端电压为30V，则该网络端电压的真实数值为（ ）。
A.
45V
B.
30V
C.
90V
D.
60V
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
【简答题】Why
was the little girl not panicked?A. Because she was blind and deaf. B. Because she didn't hear the grave news. C. Because she was too small to know anything. D. Because she was fixed and intent on...
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
【简答题】计算题：有一个直流有源二端网络，用内电阻 R′ b ＝50kΩ的电压表测得它两端的电压Uab＝100V，用内电阻为R″ b ＝150kΩ的电压表测得它两端的电压U ab ＝150V，求这个网络的等效电压源E 0 和R 0 。
【单选题】Why did the little girl die?
A.
Because she drank the water.
B.
Because she was sick.
C.
Because she took some of the chemicals.
【单选题】Why was the little boy disappointed?
A.
He couldn’t get a football shirt from Messi.
B.
He couldn’t get a football shirt to look like Messi.
C.
His family was too poor to buy him a football.
D.
His family cannot afford to pay for football lessons.
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