Why is building a polar museum in China important according to Miss Lee?
A. It can help attract people to the Poles.
B. It will help advance studies of the Poles.
C. It will show how high technology is used.
D. It can save her from further trips to the Poles。
房屋根据它的()可分为砖木结构、混合结构、钢筋混凝土结构和其他结构。
A. 建筑结构类型和材料
B. 层次和高度
C. 承重受力方式
D. 用途
What is the weather like tonight in the UK?
A. It will be cloudier.
B. It will clear up.
C. It will be windy.
课堂教学效率的高低取决于__________三大要素的相互协调。
A. 教师、学生、课堂情况
B. 班风、纪律、学生
C. 教师、教学设备、学生
D. 教师、学生、纪律