问题
单项选择题
通向避难层的防烟楼梯应在避难层（），但人员均必须经避难层方能上下。
A．同层错位或上下层断开
B．分隔和同层错位
C．分隔、同层错位或上下层断开
D．分隔和上下层断开
答案
参考答案：C
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通向避难层的防烟楼梯应在避难层（），但人员均必须经避难层方能上下。
A．同层错位或上下层断开
B．分隔和同层错位
C．分隔、同层错位或上下层断开
D．分隔和上下层断开
参考答案：C
Long time ago, there was a woman with a surpring spell(魔法).If someone was under the spell, he or she would get perfect 26 .One day, the woman put the spell on her toad(蟾蜍),and then the toad got beautiful teeth. They could help him 27 all kinds of food. He could 28 start speaking. The toad was 29 with the spell.He started to eat lots of chocolate.The woman found this and said to him,“30 your teeth and brush them often.Don’t eat so much chocolate…”31 the toad didn’t listen to her.He believed his teeth were very good and he didn’t have to brush them ofen.And he liked chocolate very much,so he didn’t want to eat 32 . One day,one of the toad’s teeth got bad.Day by day,all the teeth in his 33 got bad.The toad decided to start looking after them,but it was too 34 .And when he 35 his last tooth,he couldn’t speak any more. The toad thought if the woman put the spell on him again,he would brush them every day.But that never happened again.
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