_________(55)A.award B.applied C.presented D.offe

55._________A. lengthB. dealC. lotD. extent

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55._________A. letsB. allowsC. makesD. leaves

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55._________A. inB. atC. withD. out

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55._________A. tellB. denyC. confirmD. argue

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化学泡沫灭火器的使用温度范围是________A．-10～55℃ B．-21～55℃ C．4～55

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请根据以下内容回答下列各题 The passage mainly discusses __________.A.award-winning work

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化学泡沫灭火器的使用温度范围是________A.-10~55℃B.-21~55℃C.4~55℃

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