题目：
Present Obama(奥巴马总统) is very busy, but he has time to go to the school to visit students. He tells them about his life. He says that he learns a lot from his mother. He also asks students to work hard at school.
To help students to be better(更好), Present Obama has some good ideas for them. First, go to school on time every day. Second, listen to teachers carefully in class. Third, do their homework every day. Fourth, don’t watch too much TV.
Please do as what Present Obama says and you will be successful (成功)one day.
小题1:Present Obama is very .
A. friendly B. busy C.happy
小题2:Obama learns a lot from his .
A. father B. teacher C. mum
小题3:What does the Present Obama ask students to do at school?
A. To do some sports B. To play with their classmates C. To work hard
小题4:Present Obama tells students
A. not to watch too much TV.
B. not to play computer games.
C. to listen to music in class
小题5:How many ideas are there from Present Obama?
A. Three . B. Four. C. Five.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：委托合同有效。根据《合同法》规定，法人或者其他组织的法定代表人、负责人超越权限订立的合同，除相对人知道或者应当知道其超越权限的以外，该代表行为有效。
