普通粘土砖承重墙,当厚度为240㎜时,其耐火极限为()。
A.3.00h
B.4.00h
C.5.50h
D.7.00h
参考答案:C
— Tom, how was your trip to Hawaii?
— Perfect. The sunshine, the beach and the delicious food.____[ ]
A. It was the last place I wanted to go
B. I didn't like it
C. I enjoyed it all so much
D. It was a terrible experience
下列关于明清时期统一的多民族国家的发展,说法正确的有:(1)明后期,瓦剌首领俺答汗与明朝修好(2)明朝中期,蒙古分为漠南.漠北.漠西三部(3)顺治帝赐予五世达赖“达赖喇嘛”封号(4)雍正帝在西南地区进行了大规模的“改土归流”()
A.(2)(3)(4)
B.(1)(2)
C.(3)(4)
D.(1)(3)(4)