今年上半年我国经济增速7.0%，这是一份有含金量的“成绩单”。能证明该结论的是(       )

①我国的经济增速比美国3.0%经济增速快  

②第三产业成为我国经济增长的主动力

③我国就业形势总体稳定，居民收入保持平稳增长

④我国经济转型升级加快，传统产业产能过剩已经解决

关于卢瑟福提出的原子结构的核式模型，下列说法中正确的是（　　）

已知蔷薇的花色由两对独立遗传的等位基因A、a和B、b控制，A为红色基因，B为红色淡化基因。蔷薇的花色与基因型的对应关系如下表：

基因型	aa----或者----BB	A--Bb	A--bb
表现型	白色	粉红色	红色

现取3个基因型不同的白色纯合品种甲、乙、丙分别与红色纯合品种丁杂交，实验结果如图所示，请回答：

完型填空
    When you were young, who rode you around on the back of his bike? Who played football and flew kites with you in the park? Who helped you 1 your first difficult maths problem? Who taught you the difference between 2? Your dad. Now it is your turn to do something for him. This Sunday, June 18, is Father's day. So why not do something 3 to thank your dad?
    The idea of Father's Day came from a(n)4lady called Sonora Smart Dodd in 1909. She wanted a special day to honor(纪念)her father. He raised(抚养)six children by himself5 his wife died during the birth of their 6_ child. Dodd thought there needed to be a day to honor great and loving dads. Her father was born7 , so she chose to hold the first Father's Day celebration on his birthday in 1910. In 1924, US president Calvin Coolidge 8the idea of a national Father's Day. Finally, in 1966, the third Sunday in June was made Father's Day.
    There are many ways to 9 your love and thanks. For example, send him a greeting card or a red rose. If he has a 10 , cover his desktop with words like “I love you, Dad.”

2013年5月9日，宁波一家面馆误把亚硝酸钠（NaNO₂）当成食盐和进面里，导致多人中毒。