阅读理解。 Hi, I'm Mike. Today is Saturday. My friends Ben, Tom and Jack ask me to go swimming with them. Soon we get to the river (河).They swim in the river. I can't swim and I sit (坐) under a big tree (树). I watch some girls play games under the tree. Suddenly (突然) a girl falls into (掉进) the river. I call for help (呼救). But my friends are not near (靠 近) us.  So I jump (跳) into the river. I don't know how to swim but I take the girl out  of the river. The girl thanks me very much. When my friends know it, they all say,'You can swim now.' 1. How many kids go swimming with Mike? A. Two. B. Three. C. Four. D. Five. 2. What does Mike do first when the girl falls into the river? A. He jumps into the river. B. He calls for help. C. He runs around the river. D.  He calls the girl's parents. 3. Today is _____. A. Friday B. Sunday C. Saturday D. Monday 4. Ben is _____. A. Mike's friend B. the girl's friend C. the girl's brother D. Tom's brother 5. Does Mike take the girl out (出) of the river? A. Yes, he does. B. No, he doesn't. C. Yes, it is. D. No, he isn't.