题目

根据下列五种元素的电离能数据(单位：kJ·mol－1)，判断下列说法不正确的是( )A. 元素的电负性最大的可能是Q元素B. R和S均可能与U在同一主族C. U元素可能在周期表的s区D. 原子的价电子排布为ns2np1的可能是T元素 答案：【答案】B【解析】A.根据图表中数据可知，Q的第一电离能最大，所以元素的电负性最大的可能是Q元素，A项正确；B.根据第一电离能的数据可知，R的最外层应该有1个电子，S的最外电子层应该有2个电子，不属于同一主族，B项不正确；C.U最外层有1个电子，可能属于s区元素，C项正确；D.T元素最外层有3个阅读理解。    Taiwanese singer Stefanie Sun (孙燕姿) looks just like any other young girl. She has short hair, a clear face and a sweet smile. However, there is something about her that makes her very special: her voice. Noone else can sing like her. Now, Sun is a bright star. She has released many albums (专辑).      Sun was born in Singapore. When she was a child, her father told her: "A person should always be good at something in life, so they have something to do for a hobby." Sun chose to learn to play the piano when she was only five. Then, she took up kick-boxing (搏击操) because she felt she was thin and wanted to make herself stronger.      She often sings about the pain and happiness of growing up. The simple but true feelings in her musicare loved by teens. "Sun may be a star, but she seems like a normal girl. She is close to us," said Zhu Liying,15, a Beijing student. "Her songs give me courage."     Eventually, the star was tired because she had worked so hard. She stopped singing for a while and had a one-year holiday to travel. "I won't give up singing. I just want a rest and to try something new. I hope tomake better music when I come back," Sun said then.     Now she is working hard again to let her fans hear more beautiful music. 1. Which is NOT true about Sun? [     ]A. She has short hair.B. She always has sweet smiles. C. Her face looks clear. D. She is a very famous actress. 2. The underlined word "released" in the first paragraph means ______. [     ]A. made sth. public B. set free C. let out D. made up of 3. Sun learned kick-boxing when she was still a child because ______. [     ]A. she wanted to be a dancerB. she wanted to get strongerC. she enjoyed dancing D. she wanted to be famous 4. Teenagers love Sun's songs because ______. [     ]A. her songs are about the pain of growing up B. she looks clear and is kind to all her fans C. the feelings in her songs are simple but true D. her songs are about love and friends