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女性，23岁，诊断为恶性贫血，可用于改善恶性贫血患者神经症状的药物是

A. {{HTML}}维生素B₁₂
B. 叶酸
C. 右旋糖酐铁
D. 硫酸亚铁
E. 维生素C

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HALCYON:

A. chronological
B. astounding
C. turbulent
D. sinister
E. ridiculous

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OBSESSION:

A. revulsion
B. vexation
C. composure
D. dutiful attention
E. insolence

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It can be inferred from the passage that which of the following was the prime goal in scientists' searching for organic means of producing plastic

A. the reduction of energy used in petrochemical plastic manufacture
B. the reduction of the production cost of petrochemical manufacture
C. the development of a biodegradable plastic
D. the creation of plastics with more useful qualities
E. the reduction of fossil fuel emissions in the environment

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If we fight a war and win it with H-bombs, what history will remember is not the ideals we were fighting for but thewe used to accomplish them, which will be the warfare of Genghis Khan, who ruthlessly killed every last inhabitant of Persia.

A. reasons … oblivious to
B. methods … compared to
C. passions … contrasted with
D. weapons… incommensurate with
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女性，23岁，诊断为恶性贫血，可用于改善恶性贫血患者神经症状的药物是

A. {{*HTML*}}维生素B12 B. 叶酸 C. 右旋糖酐铁 D. 硫酸亚铁 E. 维生素C

HALCYON:

OBSESSION:

It can be inferred from the passage that which of the following was the prime goal in scientists' searching for organic means of producing plastic

If we fight a war and win it with H-bombs, what history will remember is not the ideals we were fighting for but the______we used to accomplish them, which will be ______the warfare of Genghis Khan, who ruthlessly killed every last inhabitant of Persia.

A. {{HTML}}维生素B₁₂
B. 叶酸
C. 右旋糖酐铁
D. 硫酸亚铁
E. 维生素C

If we fight a war and win it with H-bombs, what history will remember is not the ideals we were fighting for but thewe used to accomplish them, which will be the warfare of Genghis Khan, who ruthlessly killed every last inhabitant of Persia.