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1、Period Grammar & Writing.用进行时的被动语态改写下列句子1They are building nine parks._2Your questions are under discussion._3They are studying the Milu deer at the research centre._4They are collecting money for the broadband project._5My father is painting our new house._.单句改错1The disease is being studied at pres
2、ent by scientists._2Some rock music is played by them next._3These animals are hunting at such a speed that they will disappear soon._4Will you go with me to see the film that is shown tonight？_5The man has killed his wife.Now he is being wanted by the police._.单项填空1Have you handed in your homework
3、yet?Yes，I have.I guess it _ now.Ahas graded Bis gradedCis being graded Dis grading2With more forests being destroyed，huge quantities of good earth _ each year.Ais washing awayBis being washed awayCare washing awayDare being washed away3May I use your bike？Mine _ near the school gate.Ais repairing Bi
4、s repairedCis being repaired Dhas been repaired4You cant use the machine today because some parts _ this week.Aare replaced Bare being replacedChave replaced Dare replacing5My sister wants to work in the factory which _still _.Ais；building Bhas；been builtCis；being built Dis；to be built6You are not a
5、llowed to go into the meeting room.A secret plan _ there.Ais being discussed Bis discussedCwas discussed Dis discussing7I want to know whether the concert _ or not tonight.Ais being held Bis heldChas held Dwill hold8I dont know what _ by the children in the room now.Ais doing Bis being doneCdoes Dis
6、 done9Do you like the material?Yes，it_very soft.Ais feeling Bis being feltCfeels Dis felt10Mr. Wang is very busy now. A new novel_ by him and it will be finished next month.Ais written Bis being writtenChas been written Dhad been written.阅读理解Three years ago，five parrots were set free in a wild place
7、 of Arizona，thousands of miles from the Channel Islands in Jersey where they had been looked after by zookeepers.No evolutionary strategies informed them how to behave in this new landscape of mountainous pine forest unoccupied by their kind for 50 years.To the researchers surprise，they failed to ma
8、ke contact with a group of wild parrots imported from Mexico and set free at the same time.Within 24 hours the reintroducing ended in failure，and the poor birds were back in cages，on their way to the safety of the Arizona reintroduction programme.Ever since then，the programme has enjoyed great succe
9、ss，mainly because the birds now being set free are Mexican birds illegally caught in the wild，confiscated(没收)on arrival north of the border，and raised by their parents in the safety of the programme.The experience shows how little we know about the behaviour and psychology(心理) of parrots，as Peter Be
10、nnett，a bird researcher，points out：“Reintroducing species of high intelligence like parrots is a lot more difficult.People like parrots，always treating them as nothing more than pets or valuable collectables”Now that many species of parrot are in immediate danger of dying out，biologists are working
11、together to study the natural history and the behaviour of this family of birds.Last year was an important turning point：conservationists founded the World Parrot Trust，based at Hayle in Cornwall，to support research into both wild and caged birds.Research on parrots is vital for two reasons.First，as
12、 the Arizona programme showed，when reintroducing parrots to the wild，we need to be aware of what the birds must know if they are to survive in their natural home.We also need to learn more about the needs of parrots kept as pets，particularly as the Trusts campaign does not attempt to discourage the
13、practice，but rather urges people who buy parrots as pets to choose birds raised by humans.1What do we know about the area where the five parrots were reintroduced?AIts landscape is new to parrots of their kind.BIt used to be home to parrots of their kind.CIt is close to where they had been kept.DPine trees were planted to attract birds.2The reintroducing experience three years ago shows that manraised parrots _.Acan find their way back home in JerseyBare unable to recognize their parentsCare unable to adapt to the wildDcan produce a new species3Why are researches on parrots important acco
