某大型展览馆为单层钢结构建筑，高18m，在举办展销会期间发生火灾。消防支队接警后，调足力量前往火场扑救。
扑救该建筑火灾，指挥员应采取的攻防措施是（）。
A、大型展厅，消防车可进入建筑内实施内攻灭火
B、及时打开建筑顶部天窗排烟排热
C、防止钢结构件导热引燃其他部位
D、注意建筑物的变形情况，遇有倒塌危险及时撤离阵地
E、尽量减少内攻和登高灭火的人员
参考答案：B, C, D, E
| 完形填空。 "I don't have to go to school. My school __1__ me!" Sara showed me her room. "This is my classroom and this is my teacher and the other __2_ " She pointed to a large radio with a microphone. Sara lives with her parents on a farm in Central Australia. It's about 60 miles from her farm to her neighbors. She can't go to __3__ because her farm is so far away from __4__. There are a lot of children like her in Australia. The  y use the "School of the Air". There are 12 of __5__ for children in the outback(内地) of Australia. They are at these schools until they are about 12 years old. Sara said, "We talk to our teachers every day on the __6__. And our __7__ last about 30 minutes. Our teachers __8__ us the class work and we do it before our lessons. Twice a year our teacher__9__ us, and once a year all the students _10__. That's the best time of the year. " | ||||
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