已知命题$p:\forall x\in R,\sin x\le 1$，则                （     ）

    I'll tell you1about my English teacher, Mrs. Wang. She is a middle-aged woman. She is not tall and not short , and she is also not2and not thin . She3long black hair. She likes4a red dress. She is very beautiful. She5very good English . She has three classes a week , but they aren't6Tuesday or Friday. All the students in her class love her very much.

    Mrs. Wang lives not7the school. She walks to school with her son and her daughter early every morning. Her two children are8.They look the same. They are in Grade Two, but they are not in9class . They often wear the same clothes. They look very10.

函数y＝ 的定义域是(  )