11．Teachers say that the digital age has had a good influence and a not-so-good influence on American teenagers．More than 2，000middle school teachers took an online survey．Researchers also spoke with teachers in some groups．Most teachers think the Internet and digital search tools have had a mostly positive （積極的） influence on their students'research habits and skills．But at the same time，some teachers also point out some problems in teenagers'using digital search tools．
The Pew Internet Project did the survey with the College Board and the National Writing Project．Judy Buchanan is the director of the National Writing Project and a co-writer of the report．She says digital research tools are helping students learn more，and learn faster．"Both teachers and students really welcome these tools because they make learning exciting．And the goal（目的）is to really help students become creators of something meaningful，and not just users of the online information．"
But one problem the survey found is that these technologies make teenagers have short attention spans （持續(xù)時間）．As there is lots of information about different subjects on the Internet，teenagers'attention is easily drawn away from their research．
Another problem the survey found is that many students trust the information they find on the Internet too much．Judy Buchanan says these students have not developed the skills to judge （判斷） the online information．They need to learn a lot to tell if the information is believable．It's something that really has to be paid attention to．
One more problem the survey found is something that might not seem like a problem at all：being able to quickly find information online．Many students think"doing research"now means just doing a quick search on Google．Teachers say the result is a drop in the wish and ability of their students to work hard to find answers．That is，they are depending too much on search engines and do not make enough use of printed books or research librarians．
Many teachers also say that the Internet makes it easy for students to copy work done by others instead of using their own abilities．
38．The result of the survey showsB．
A．digital search tools need to be greatly improved
B．digital search tools are generally good for teenagers
C．teenagers have difficulty in using digital search tools
D．American teachers enjoy using digital search tools
39．Using digital search tools makes teenagersD．
A．less trusting of online information
B．more independent in doing research
C．more willing to work hard to find answers
D．less able to pay full attention while searching
40．To do better in research，teenagers shouldC．
A．spend more time searching online
B．a(chǎn)sk their teachers for more advice
C．make better use of printed materials
D．learn more knowledge of search tools
41．The passage mainly tells usD．
A．a(chǎn)ll the students like using digital tools
B．the Internet is playing an important role
C．teachers encourage their students to use digital tools
D．digital tools bring about something helpful and problems．
分析 本文是一篇調(diào)查報告，這篇文章主要敘述了互聯(lián)網(wǎng)和數(shù)字搜索工具對學(xué)生學(xué)習(xí)習(xí)慣的影響．通過調(diào)查發(fā)現(xiàn)三個問題：一是許多學(xué)生缺乏數(shù)字素養(yǎng)．換句話說，他們過于相信互聯(lián)網(wǎng)上找到的信息．二是學(xué)生能夠在網(wǎng)上快速找到信息，但他們過于依賴搜索引擎，沒有很好的利用印刷書籍和圖書館里的圖書．三是互聯(lián)網(wǎng)使得學(xué)生更容易抄襲他人成果，而不是發(fā)揮自己的能力．所以在生活中，我們應(yīng)該合理的利用網(wǎng)絡(luò)．
解答 38．B．根據(jù)Most teachers think the Internet and digital search tools have had a mostly positive （積極的） influence on their students'research habits and skills．可知大多數(shù)教師認為在研究學(xué)生習(xí)慣和能力時互聯(lián)網(wǎng)和數(shù)字搜索工具對學(xué)生有一個正面的影響．故選B．
39．D．根據(jù)But one problem the survey found is that these technologies make teenagers have short attention spans （持續(xù)時間）．可知但調(diào)查中發(fā)現(xiàn)的一個問題是，這些技術(shù)使青少年的注意力持續(xù)時間很短．故選D．
40．C．根據(jù)That is，they are depending too much on search engines and do not make enough use of printed books or research librarians．可知但學(xué)生們過于依賴搜索引擎，沒有很好的利用印刷書籍和圖書館里的圖書．故選C．
41．D．主旨大意題．根據(jù)Teachers say the digital age has had a good influence-and a not-so-good influence-on this generation of American teenagers．可知文章開頭介紹了調(diào)查的結(jié)果，即老師們認為數(shù)字時代對這一代的美國青少年既有好的影響，也有不好的影響．下文再進行詳細的敘述，故選D．
點評 本文是一篇教育文化類閱讀短文．解答本題首先要通讀全文，掌握大意；然后根據(jù)題目的要求，逐個到短文中選擇答案；最后再細讀短文，認真校對．
