阿普唑仑与其他苯二氮革类药物混合中毒时，可引起（）。
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What do non-physiological and physiological explanations have in common？
A. Paradox.
B. Dilemma.
C. Plausibility.
D. Ambiguous.
What does the author imply by saying \"living space.., is figured.., also in cubic volume above the earth\" in Para. 3 ？
A. We need to take some measures to protect .space.
B. We must preserve good living conditions for both birds and rand animals.
C. Our living space should be measured in cubic volume.
D. Our living space on the earth is getting smaller and smaller.
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