若如下框图所给的程序运行结果为$S=20$，那么判断框中应填入的关于k的条件是(     )

中宣部、中央文明办向全社会公布了“诚信之星”的先进事迹。其中，有的诚信经营、维护契约，有的靠信誉打造品牌、赢得发展优势……这些“诚信之星”的事迹启示我们（　）

粽子是端午节的传统美食，主要原料是糯米，糯米主要为人体提供（　　）

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  Dear Peter，

    Without knowing more about you，it's hard for me to give you some good advice．

    But firstly．I am sure that you are 1 ．You said that nobody would care if you left  home．What about your2  ? And other family members ?It seems that you are very 3．You'd better go to a doctor or talk  4 your parents．They will be able to help you．

    Secondly，I'm sure there's someone else in your class who feels lonely，  5．You never know 6other people feel．Try to make friends with your classmates．And you could  7  a club to meet new people and make friends，too．

    You 8  find happiness in yourself．So my 9advice is to write a list of all the good things about yourself，learn to like yourself，and then  10  will see your confidence(信心)and like you，too． 

                                                                                                                                                                                                                   Yours，

                                                                                                                                                                                                                     Lily