题目

阅读理解 Here is a photo of my family. These are my parents, Jack Ken and Mary Ken. My father is a teacher and my mother is a nurse. This is my brother David and this is my sister Jane. And the little girl is me. I have a happy family. I love my family. （1） Jack Ken and Mary Ken have ____son(s) and ____ daughter(s). A . one; two B . one; three C . two; one D . one; one （2） ____ is my brother. A . Jane B . David C . Jack D . Mary （3） ____ is a teacher. A . Jack B . David C . Mary D . Jane （4） I am a ____. A . boy B . girl C . 已知0°＜A＜90°，那么cos（90°-A）等于A.cosAB.sin（90°+A）C.sinAD.sin（90°-A）