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            • 1．

              California is the third largest state in the USA but has the largest population. It also has the ______(1)________of being the most multicultural state in the USA, ______(2)_______people from all over the world. The customs and languages of the immigrants live on in their new home. This  _____(3)______ of culture is not surprising when you know the history of California.

              Cloning has two major uses. Firstly, gardeners use it all the time to produce  ______(4)_______ plants. Secondly, it is valuable for research on new plant species and for medical research on animals. Cloning plants is straightforward  ______(5)________ cloning animals is very complicated. It is a difficult task  _______(6)_______. Many attempts to clone mammals failed. But at last the determination and patience of the scientists  ______(7)________ in 1996 with a breakthrough－the cloning of Dolly the sheep.

              Nor will you receive a patent until a search has been made to find out that your product really is different from _______(8)_______. There are a large number of patent examiners, too, whose only job is to examine whether you claim is  ______(9)________ or not. If it passes all the tests, your application for a patent will be published 18 months from the date you apply. So I have filled in the form and filed my  _________(10)_____ with the Patent Office. Now it’s a matter of waiting and hoping. You’ll know if I succeed by the size of my bank balance! Best luck!

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            • 2．
              Daisy smiled．"That is good news．It shows the importance of wildlife（1） ______ ，but I'd like to help as the WWF suggests．"The carpet rose again and almost at once they were in a thick rainforest．A monkey watched them（2） ______ it rubbed itself．"What are you doing？"asked daisy．"I am protecting myself from mosquitoes，"it replied．"When I find a millipede insect，I rub it over my body．It contains a powerful drug which（3） ______ them．You should pay attention to the rainforest（4） ______ I live and（5） ______ how the animals live together．"
              Many musicians meet and（6） ______ a band because they like to write and play their own music．They may start as a group of high-school students，for（7） ______ practicing their music in someone's house is the first step to fame．Sometimes they may play to（8） ______ in the street or subway so that they can （9） ______ some extra money for themselves or pay for their instruments．Later they may give（10） ______ in pubs or clubs，for which they are paid in cash．
              Li Daiyu and her counsin were （11） ______ a trip to Canada．The thought （12） ______ they could cross the whole continent was exciting．Vancouver is Canada's most beautiful city，（13） ______ by mountains and the Pacific Ocean．Skiing in the Rocky Mountains and Sailing in the
              habour （14） ______ Vancouver one of Canada's most popular city to live in．If you cross the Rocky Mountains，you will catch（15） ______ of some mountain goats．
              Tony （16） ______ Julia，touched her shoulder and kissed her（17） ______ !She stepped back appearing surprised and put her hands，as if in（18） ______ ．I guessed that there was probably a major misunderstanding．
              When we met yesterday，he moved very （19） ______ to me as I introduced myself．I moved back a bit，but he came to ask a question and then（20） ______ my hand．
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            • 3．
              Early in the last century，yellow fever was one of the worst diseases known．Thousands of people （1） ______ of it every year．It had been suggested that the yellow fever virus is transmitted by the bite of a certain mosquito．It was （2） ______ （认为） that a （3）c ______ kind of mosquito would bite a person ill with yellow fever and then，flying elsewhere，bite （4） ______ person and（5）g ______ him the disease．To prove whether or not this was true，Dr．James Carroll，allowed （6）s ______ a mosquito to bite him after it had bitten a yellow fever patient．
              He knew the bite of this mosquito might （7）c ______ his death；nevertheless，he made the （8） ______ （尝试）．
              Dr．Carroll became very ill of yellow fever but finally（9） ______ （恢复）．The risk this hero took，however，helped to save the lives （10） ______ thousands of people．
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            • 4．
              What color do you like best？Do you like yellow，orange and red？If you do，you must be an optimist，a leader or an （1）a ______ person who enjoys life，people and excitement．If you have a （2）p ______ for grey and blue，then you are probably quiet，shy and you would rather （3）f ______ than lead．If you love green，you are （4）l ______ to be strong-minded and （5）d ______ ．You wish to succeed and want other people to see you are successful．This is what psychologists tell us．They have been seriously studying the relationship between colors and characters，and the （6）e ______ that colors have on human beings．
              Black is （7）d ______ while light and bright colors make people not only happier but more active．A yellow room makes us feel more cheerful and more （8）c ______ than a dark green one does，and a red dress adds warmth and cheer to sad winter days．It is a fact that factory workers work better，harder and have fewer （9）a ______ when their machines are painted orange （10）r ______ than black or dark grey．
              难度：较易
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            • 5．
              ArthurConan Doyle once opened a clinic in London．He wanted to be a successful （1）d  ______   but for some （2）r  ______  he never found enough patients．To kill the time，he began to write stories and send them to the newspaper．
              Conan Doyle's stories were about a clever （3）d  ______  ，Sherlock Holmes．Conan Doyle wrote that Sherlock Holmes lived at 22lB Baker Street in London，and people with （4）p  ______   came to him for help．Often the police came to Sherlock Holmes with their problems，too．He was able to solve mysteries that the smartest policemen in England were unable to （5）f  ______   out．
              Sometimes Sherlock Holmes could solve a mystery without leaving his chair．He listened carefully to the （6）i  ______   his clients gave and then figured out the answer．At other times he spent days or weeks looking for （7）c  ______  ．Sherlock Holmes traveled to different cities and countries to solve the mysteries．Sometimes he （8）p  ______   to be an old man，or a sailor．Holmes did anything to find the answer to the mysteries he was working on．
              Sherlock Holmes is the most famous detective in English literature，but many people don't understand that he is a fictional （8）c  ______  ，not a real person．The English post offices report that people send mails to Sherlock Holmes at 22lB Baker Street．They get more than 2，000 （10）l  ______   every year．

              难度：较易
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