绿色建筑是指为人民提供健康、舒适、安全的居住、工作和活动空间，同时实现高效率地利用资源，最高限度的影响环境的建筑物。（）
参考答案：错
一个正方形的面积为28，则它的边长应在[ ]
A.3到4之间
B.4到5之间
C.5到6之间
D.6到7之间
You can't imagine _____ when they received these nice Christmas presents. [ ]
A. how they were excited
B. how excited they were
C. how excited were they
D. they were how excited
