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约2720字。

　　Unit2      同步检测
　　Ⅰ.阅读理解
　　A
　　Rockwatch－The Best Club on Earth
　　If you are young and interested in geology (地质学)，then Rockwatch is the club for you.When you apply for membership，you’ll receive a Rockwatch Rox file each.It has the information and top tips you will need to start enjoying geology.It’s designed to serve as your own field notebook as well.
　　In it you will find your
　　•membership card
　　•full­colour minimap
　　•thumbs up guide
　　•fact cards
　　Rockwatch Magazine
　　Our lively magazine is mailed to members three times a  year.They can read reports and news from around the world，and articles  on everything  from  diamonds to dinosaurs，earthquakes to erosion (侵蚀)．
　　Rockwatch Events
　　With each magazine you will receive a Rockwatch events calendar.Rocky activities suitable for families are listed and include road shows and guided walks.
　　The Rockwatch Rock Artist
　　Are you an artist，or a photographer？This is your chance to become Rockwatch Rock Artist of a year and win amazing prizes in our annual competition.
　　Special Offer
　　Rockwatch members can have specially discounted Wildlife Watch membership.Wildlife Watch is the biggest environmental action club for young people，with 100 groups across the country.You can join both clubs together by filling in the boxes in the membership form.
　　【文章大意】　本文主要介绍了Rockwatch俱乐部的一些情况。
　　1．The magazine Rockwatch mails to its members tells about things related to________．
　　A．geology B．agriculture
　　C．politics                  D．economics
　　解析：选A。推理判断题。根据文章的第一句可知，Rockwatch是以地质学为主题的俱乐部，由Rockwatch Magazine下面的“articles on everything from diamonds to dinosaurs，earthquakes to erosion(侵蚀)”可推知，Rockwatch俱乐部邮寄的杂志是关于地质学的。
　　2．What activities are specially arranged for Rockwatch members interested in photography?
　　A．Guided walks.
　　B．Rocky activities.
　　C．Yearly competitions.
　　D．Academic workshops.
　　解析：选C。细节理解题。根据倒数第二段的内容可知，如果你是一名艺术家或摄影师，可以参加一年一度的比赛，获得大奖。
　　3．When applying for Wildlife Watch membership，a Rockwatch member can enjoy________．
　　A．free membership          B．a special discount
　　C．a Rock Artist prize        D．guided road shows
　　解析：选B。细节理解题。根据最后一段的第一句“Rockwatch members can have specially discounted Wildlife Watch membership.”可知，申请Wildlife Watch membership时，Rockwatch members可以享受特别折扣。
　　4．You may join both Rockwatch and Wildlife Watch clubs by________．
　　A．calling the two clubs     
　　B．providing references
　　C．applying separately   
　　D．filling in one form
　　解析：选D。推理判断题。根据文章的最后一句“You can join both clubs together by filling in the boxes in the membership form.”可推知，你可以填一张申请表，同时加入两个俱乐部。
　　B
　　Teenagers are often a difficult group.With all those hormones (荷尔蒙) flooding in their bodies，they can be moody，unpredictable，and tend to mancertain choices.But however confusing their teenage years are，kids can still be generally happy，depending on their lifestyle choices.According to a new research by British scientists，teens who