存款、贷款和结算是商业银行的三大业务，商业银行通过上述业务（  ）

①吸收了社会闲散资金 ②为银行营利提供了来源 ③方便了现代经济生活中发生的货币收支 ④限制了市场上的货币流通

中国政府网 1 月 22 日起联合 6 家网站发起“2015 年政府工作报告我来写——我为政府工作献一策”活动，仅一周时间，专题页面访问量达 200 多万人次，接收建言近万条，其中排名前三的话题是反腐倡廉、教育公平、社会保障。上述材料反映了

①网民参政议政意识不断提高                ②网络监督是严格执法的重要手段

③网民期望实现社会公平正义                ④网民通过活动直接参与国家管理

  “Cool" is a word with many meanings．Its old meaning is used to express a temperature that is a little bit cold．As the world has changed，the word has had many different meanings．
  “Cool"can be used to express feelings of interest in almost everything When you see a famous car in the street，maybe you will say，“It's cool." You may think，“He's so cool," when you see your favorite footballer．
    We all maximize（扩大） the meaning of “cool". You can use it instead of many words such as “new" or "surprising"．Here's an interesting story we can use to show the way the word is used．A teacher asked her students to write about the waterfall（瀑布）they had visited．On one student's paper was just the one sentence, “It's so cool．Maybe he thought it was the best way to show what he saw and felt. But the story also shows a lack of words．Without “cool”，some people have no words to show the same meaning．So it is quite important to keep some credibility（可信性）．Can you think of many other words that make your life as colorful as the word "cool"？ I can．And I think they are also very cool．

小王的手指不慎划破出血，血液中与伤口止血和避免发炎有关的成分分别是（　　）