屋顶花园花架所用地的建筑材料应以质轻、牢固、()为原则。
参考答案:安全
2008年初,我国南方大部分地区遭受了罕见的低温、强降雪天气,下列天气预报符号中表示降雨的是
A、 B、 C、 D、
Mrs. Black is ________ a neighbour to us. She also takes good care of our children when we are away.
A. no more than B. more than C. rather than C. less than