在Word的编辑状态下,按先后顺序依次打开了四个文档,则当前的活动窗口是()
A、第四个文档的窗口
B、第三文档的窗口
C、第二个文档的窗口
D、第一个文档的窗口
参考答案:A
During the after-school activities, some students are playing __________ on the playground while the rest __________ doing some homework in the classrooms.[ ]
A. happy, are
B. happily, is
C. happily, are
D. happy, is
瓷砖材料质地疏松有隐伤,施工前瓷砖浸泡不透,粘贴砂浆保水性差,会造成瓷砖的______。
A.裂缝
B.变色
C.空鼓
D.以上都可能