题目

下列图形不是对称图形的是（ ）。 A . B . C . D . 答案：B 阅读理解，阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。 Obama Still Smokes in Secret 　　US President Barack Obama has just made life more difficult for cigarette makers．He has just signed a law that will set tough new rules for the tobacco industry．The new law gives the US Food and Drug Administration the power to strictly limit the making and marketing of tobacco products． 　　At a White House signing ceremony Monday, Obama said that he was among the nearly 90％ of smokers who took up the habit before their 18 th birthday． 　　Obama, who has publicly struggled to give up smoking, said he still hadn't completely kicked the habit．Every now and then he still smokes in secret． 　　“As a former smoker I struggle with it all the time．Do I still smoke sometimes? Yes．Am I a daily smoker, a constant smoker? No．” Obama said at a news conference． 　　“I don' t do it in front of my lads．I don? t do it in front of my family．I would say that I am 95％ cured, but there are times when I mess up, " he said． 　　"Once you go down this path, it' s something you continually struggle with, which is exactly why the law is so important．The new law is not about me, it' s about the next generation of kids coming up．What we don ' t want is kids going down that path, " he said． 　　Nearly 20％ of Americans smoke and tobacco use kills about 440, 000 people a year in the United States due to cancer, heart disease, and other serious diseases． (1) The new law makes life difficult for ________． [　　] A． Obama B． tobacco industry C． White House D． US Food and Drug Administration (2) What do we know about Obama? [　　] A． He no longer smokes． B． He still smokes as usual． C． He began to smoke at eighteen． D． He is trying hard to give up smoking． (3) According to the passage, Obama is most concerned about ________． [　　] A． children B． officials C． his family D． businessmen