1．It is said that many people are worried about the year 2012，________they think the earth will be destroyed by disasters.
　　A．when B．where
　　C．as D．which
　　解析：考查定語從句。句意：據說很多人擔心2012年，他們認為那一年地球會被災難摧毀。關系副詞when引導非限制性定語從句修飾2012，when在從句中作時間狀語。
　　答案：A
　　2．I have never heard ________stories ________he told.
　　A．such；which B．such；as
　　C．such；like D．so；that
　　解析：考查定語從句。先行詞由such修飾時，定語從句的關系代詞常用as，本題中as作told的賓語。句意：我從未聽過他所說的這類故事。
　　答案：B
　　3．(2011年北京高二檢測)Ann talked about the people and things ________moved her greatly during her stay there.
　　A．that B．who
　　C．which D．what
　　解析：________moved her greatly during her stay there.是定語從句修飾先行詞the people and things。當定語從句的先行詞既有人又有物且定語從句中缺主語時，定語從句由that引導。
　　答案：A
　　4．Why not try another way ________you may do your experiment better and more quickly?
　　A．by which B．that
　　C．which D．in that
　　解析：考查定語從句。先行詞是way且表示方式時，其后的定語從句關系詞只能用that，in which或省略不用。
　　答案：B
　　5．When he came back from abroad，John told his parents about the cities and the people ________he had visited.
　　A．who B．which
　　C．where D．that
　　解析：考查定語從句。當先行詞既有人又有物時，關系代詞用that。
　　答案：D
　　6．(2011年北京高一檢測)Yesterday we went to visit the farm ________my father used to work for nearly ten years.
　　A．in which B．that
　　C．where D．which
　　解析：考查定語從句。句意：昨天我們參觀了我父親曾經工作了接近十年的那個農場。________my father used to work for nearly ten years.是定語從句修飾先行詞the farm，從句中缺地點狀語，故答案選C，此處where相當于on which。
　　答案：C
　　7．(2011年宜春高二檢測)They are in a difficult situation ________all efforts seem useless.
　　A．that B．which
　　C．where D．as
　　解析：考查定語從句。句意：他們處境困難，在這種情況下所有的努力似乎都無用。當先行詞是point，situation，stage，case，position等詞并且關系詞在從句中作狀語時，定語從句常用where來引導。
　　答案：C
　　8．(2011年福州高一檢測)Anything ________could be found has been used to repair the damaged bridge.
　　A．which B．that
　　C．what D．不填
　　解析：考查定語從句。句意：任何可能被找到的東西都已經被用來修補受損的大橋了。當先行詞是不定代詞且定語從句缺主語時，定語從句用that而不用which引導。
　　答案：B
　　9．There was ________time ________I hated to go to school.
　　A．a；which B．a；when
　　C．the；that D．the；when
　　解析：考查定語從句。先行詞為time，且從句中不缺句子成分，故用關系副詞when。
　　答案：B
　　10．(2011年杭州高二檢測)Her work changed the way ______people think about chimps.
　　A．that B．in which
　　C．不填 D．all of above
　　解析：way作先行詞時，如果定語從句中缺狀語，可用that、in which，也可以省略that或in which，故選D。
　　答案：D
　　11．(2011年重慶高一檢測)He got the first prize in the English talent show，________made us very proud.
　　A．which B．that
　　C．it D．this
　　解析：which引導非限制性定語從句，指代前邊主句的意思，意為“這，這一點，這件事”。
　　答案：A
　　12．—How do you find this film?
　　—It is the best film ________.
　　A．that I had seen B．which I have ever seen
　　C．which I saw D．that I have ever seen
　　解析：考查定語從句。根據句意可知，這部電影是我曾經看過的最好的電影。空格部分作film的定語，當先行詞被最高級修飾時定語從句用that而不用which引導，故答案選D。
　　答案：D
　　13．(2011年太原高二檢測)The Science Museum，________we visited during a recent trip to Britain，is one of London's tourist attractions.
　　A．what B．which
　　C．that D．where
　　解析：which引導非限制性定語從句，修飾先行詞the Science Museum，且在從句中作賓語。what不引導定語從句，that不用于非限制性定語從句中，where在定語從句中不作賓語，故選B。
　　答案：B
　　14．(2011年廣州高二檢測)________is announced in today's paper，they have succeeded in solving many problems according to the new theory.
　　A．It B．That
　　C．What D．As
　　解析：as引導非限制性定語從句，指代后邊主句的意思，as在從句中作主語，意為“正如”。句意：正如今天的報紙所宣布的，他們已經根據新理論成功地解決了很多問題。
　　答案：D
　　15．There are more than 50 students in each class，________are girls.
　　A．half of them B．half of which
　　C．half of whom D．and half of whom
　　解析：考查定語從句。在“代詞＋of＋關系代詞”中，指物用which，指人用whom。此句的先行詞為students，故答案選C。
　　答案：C