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【单选题】
一老年男性患者,阻急性心肌梗死收入院,第二天突然意识丧失,血压测不清,颈动脉搏动消失。住院心电图监测为心室颤动,此时应采用最有效的治疗是A.
人工呼吸
B.
再次进行溶栓治疗
C.
C非同步直流电复律
D.
静注利多卡因
E.
心腔内注射肾上腺素
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举一反三
【单选题】It can be inferred from the second paragraph that ______.
A.
the regulatory approval is limited with respect to the scope of application
B.
the life expectancy will not be improved compared with that indicated by the current record
C.
America's Food and Drug' Administration gave its approval to a new type of artificial heart
D.
Doctors will implants the new device in patients whose hearts are about to fail
【单选题】Oligopoly is an industry composed of a_________ number of large firms.
A.
large
B.
big
C.
limited
D.
reasonable
【单选题】Which of the following statements, according to the passage, is NOT true? A．A．limited water supply will affect industrial production.
B.
Every large city purifies and reuses its water.
C.
Purified water is not exactly as fresh as spring water.
D.
Oceans are the largest water source.
【简答题】According to some nutrition researchers, the vegetable prescription program will have limited effect on obesity if carried out______.
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