能反映事物发展变化的规律和趋势的统计图是（　　）

-Let's go swimming.

  -Good idea! That sounds _________.

 

共享单车是指企业与政府合作，在公共服务区等地方提供自行车单车共享服务，现从6辆黄色共享单车和4辆蓝色共享单车中任取4辆进行检查，则至少有两个蓝色共享单车的取法种数是____．

完形填空
    Could we look back some day and say that Warren Buffett's greatest genius(天才) was finding two talented people to replace(代替)him? These two people are Ted Weschler, aged 56，and Todd Combs，aged 46，who have been chosen by Buffett as money managers to begin to1 the key investment(投资)operations of Berkshire Hathaway.
    But how did Ted and Todd catch Buffett's2? "These are the only two persons I could find, who read as 3 as I did, " Buffett says with a laugh. Actually he's not really kidding. Both Ted and Todd spend lots of time 4.
    Ted spends half a day reading many materials like5and trade periodicals(期刊). In a recent interview，Ted 6 that to become a successful investor, one needs to be hungry, curious and read all the time. Different kinds of reading will allow you to 7things that might give you an insight(洞察力)to where a business is going in five years.
    And Todd describes himself as a book with legs. He gets up at around 7 or 8 a.m. and reads 8about 7 or 8 p.m. . After dinner; he also leads for 9 hour or two in bed.
    What's the secret for financial success? It seems that 10a habit of reading really matters.

Don’t ______ personal information such as your name， telephone number and address
until you feel comfortable.