题目

根据有关知识，回答下列问题。 （1） Ⅰ符号3px所代表的含义是____(填序号)。 A . 3px轨道上有3个电子 B . 第3电子层3px轨道有三个伸展方向 C . px电子云有3个伸展方向 D . 第3电子层沿x轴方向伸展的p轨道 （2） O2-核外电子的运动状态有种。 （3） 短周期元素(0族除外)中，第一电离能最小的元素是 (填元素符号，下同)，电负性最大的元素是。 （4） 铜的原子序数是29，其价电子排布式为。 （5） Be的第一电离能大于B的第一电 A six-year-old British girl, Mollie Price, is opening up her third candy store. She is said to be one of Britain’s youngest bosses. Her stores are called “Mollie’s.” She sells both British and American candy. The girl would like to open more candy stores. “It might sound crazy, but believe me,” Mollie says. “It was Mollie’s idea to open up the shop. It is Mollie who runs the candy stores,” her mother Becky, her “business partner” says. Her mother says all the stores are put together and stocked(进货)by Mollie. Mollie works in one of the stores every Saturday, then gets up early Sunday to go to the company’s product supplier(供应商). She asks her friends to test the sweets to decide which ones are good. She’s good at smart marketing. For example, if the weather is really cold, she sells the Mr Whippy ice cream cheaper than when it’s hot outside. “Children have the best ideas. I tell my mum what I think and she always says I have good ideas. It’s just because I know what other children like,” Mollie says. 1. What’s Mollie’s plan for the future? A. Become Britain’s youngest boss.   B. Open more candy stores. C. Work as a product supplier.        D. Make the best ice cream products. 2. How does Mollie know which kinds of candy are good? A. Her mother decides it. B. She has her friends test the candy. C. She goes to the market to research. D. She asks the company’s product supplier. 3. The prices of some ice cream products in Mollie’s stores change according to _______. A. the number of the products  B. her friend’s idea C. the weather              D. the dates 4. According to the passage, what’s the key(关键)to Mollie’s success? A. She works hard and she is good at smart marketing. B. The company’s supplier makes good products. C. She would like to open more candy stores. D. Her mother always has good ideas. 5. According to the passage, Mollie is a/an________ girl. A. kind    B. honest   C. smart   D. polite