题目

已知在实数集上是减函数，若，则下列正确的是       （    ）        A．  B．       C．  D． 答案：D 完成对话在对话的空格中填上适当的单词，使对话完整正确。一空一词。 A：How are you feeling now?George and I was quite anxious about you when Ann called us yesterday． B：Not too 　　1　　 yet．I still have a headache and my right 　　2　　 can 　　3　　 take a cup． A：What about your legs? B：Much better．I feel less 　　4　　 in my knees 　　5　　 I can’t walk．Just now the doctor and the nurses told me to stay in bed for two weeks． A：That’s OK．But how did it 　　6　　? B：Oh, yesterday morning I cleaned the windows．In order to 　　7　　 the work easier, I climbed over the window and stood 　　8　　 the windows．1 worked quickly, but suddenly I 　　9　　 down to the garden．When 1 woke up, I found myself lying in bed in the 　　10　　． A：You’re lucky that you live on the second floor．