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單項(xiàng)選擇題

A.on the part of
B.in lieu of
C.subject to
D.in accordance with

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A.increased appetite and thirst
B.decreased appetite and thirst
C.gain in weight
D.elevated temperature

A.they generate heat
B.they emit hydrogen
C.of the toxic fumes they emit
D.they recharge faster in a well ventilated space