近年来，全国各地广泛开展“共铸诚信”活动，努力构建诚信社会。建立诚信社会的基础是（    ）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

Dear Mike,

    How are you? I have a good time at my new 1 in Beijing, China. Here, I'm good 2 my teachers and classmates. They all like me and I also like 3. At school my favorite 4 are Chinese and music. And I 5 two clubs, the Chinese club and the music club. In the music club, I have a good friend. Her 6 is Yang Peiyi. She likes music. She 7 well. She can also play the piano and the violin. She says she wants to be a 8. Yang Peiyi likes 9, too. On weekends she often plays tennis or ping-pong with me. Do you want to know her? Look! Here is a 10 of her. I think you'll like her.

                                                                                                                                                                       Yours,

                                                                                                                                                                       Maria

上网冲浪本是一件愉快的事,但人们常常会被不断跳出的广告页面晃得心烦意乱。浏览IE可能会被修改;下载可能会多了些卸载不掉的插件!这些作怪的软件被网民称之为“流氓软件”,经常暗含消费陷阱,强行推送广告,消耗流量,删都删不掉。“流氓软件”经营者的这一行为(　　)

①违反了市场交易规则

②侵犯了消费者的合法权益

③利用了市场经济的固有弱点

④违反了市场竞争规则

一个数除以29，商是6，余11，求这个数____。