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12Theywenton strikein demandof a 40%wage increase.

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13Admissionto the university is by examinationand selection. Girls are admitted on equal terms with boys.

14“Coming!” Awayshe skimmed overthe lawn, upthe path, upthe steps, acrossthe veranda, and intothe porch.

15When he catches a glimpse of a potential antagonist, hisinstinctis to win him over with charm and humor.

同一防火分区内下列哪些信号作为疏散通道防火卷帘下降至距楼板面1.8m的联动触发信号？（）

A. 两只独立的感烟探测器
B. 两只独立的感温探测器
C. 一只专门用于联动防火卷帘的感烟火灾探测器的报警信号
D. 一只专门用于联动防火卷帘的感温火灾探测器的报警信号