1、Period FourProject.单项填空1It is said that he is_to flee to Taiwan because of the campaign against him.Apossible BmaybeCprobable Dlikely答案D解析sb.be likely to do.表示“某人很可能做”，为固定结构。A、C两项作表语时，主语不为人。2Dad，there is a snake at the gate crawling this way!Dont_，boys；theres no danger.Aafraid BfrightenCterrify Dpan
2、ic答案D解析afraid是形容词，前面应加be；frighten和terrify改为be frightened/terrified也正确。答语句意为：不要惊慌，孩子们，没有危险。3It is important for us to_a word or a phrase according to the situations in language studies.Aemploy BreferCmake Darrange答案A解析句意为：在语言学习过程中，根据语境使用单词或短语对我们来说非常重要。employ此处相当于make use of，意为“利用，使用”，其余三项均无此用法。4It _
3、that this is a major problem.Aappeared BlooksCseems Dsees答案C解析表示“看来”常用句型It appears/seems that.。A项时态错误。本句型中不能用look。5My sister was always_and careful while I would get excited and upset by the slightest thing.Asilent BcalmCquiet Dstill答案B解析句意为：我妹妹总是冷静、细心，而我很容易为一点小事变得激动不安。故B项calm冷静的，镇静的，符合语境。6Great cha
4、nges have taken place in the city!Yes，our city has developed into a big city，which is_it used to be.Afour times larger than thatBfour times the size of whatCfour times the size larger than whatDas four times the size as that答案B解析表示“的样子”之意时，用what，不用that，what在句中作表语；此题考查英语倍数的表达结构中的“倍数the size (length.)
5、of”。7They built a wall to avoid soil_.Ato wash away Bwashing awayCto be washed away Dbeing washed away答案D解析此题考查avoid后接动名词的复合结构。wash away与soil之间为被动关系，故选D项。8I firmly believe _ he said at the meeting was right.Athat BwhichCthat what Dwhat that答案C解析句意为：我坚信他在会议上所说的是正确的。that引导的从句作believe的宾语，且该宾语从句中又有what引
6、导主语从句并在主语从句中作动词said的宾语。9You must try to _ your mind on work and study.Amake up BputCfocus Dkeep答案C解析句意为：你必须努力把精力集中于工作和学习上。focus ones mind on sth./put ones mind to sth.集中精力于。10It was not until near the end of the letter_she mentioned her own plan.(2013天津，11)Athat Bwhere Cwhy Dwhen答案A解析考查强调句型。结构为It is
7、/was被强调部分that其他部分，此处是not until的强调句型。.阅读理解As a seal rests on ice floating on the Antarctic Ocean，it should feel safe.But it is about to become a victim of a group of killer whales who have developed a great skill to catch seals.The killer whales work together as a group to create large waves that was
8、h seals off the ice.Scientists who have discovered the technique，which has only been seen in killer whales hunting in the pack ice of the Antarctic，say it is so effective that it produces a meal for the whales three out of every four times they use it.Dr.Robert Pitman，a marine scientist at the Natio
9、nal Oceanic and Atmospheric Administration in California，said，“The killer whales were very good at knowing in advance if they were going to be able to wash a seal off a piece of ice and they were always successful in getting the seal into the water.Sometimes the seal was washed off but managed to fl
10、ee.However，it was not very often.”Dr.Pitman and his colleague Dr.John Durban helped BBC capture the wavewashing behaviour on camera.By swimming in formation(队列) towards the ice from as far away as 150 feet，the whales created a bow wave in front of their bodies.When they reached the block of ice wher
11、e the seal was hiding，they dove under the ice，kicking their tails in a powerful stroke(击) to create a large wave that washed over the ice and knocked the seal into the water where they could grab it and drown it.Research has shown that there are at least four types of killer whales living in the Ant
12、arctic，all of which have different colour patterns and hunting behaviour，and eat different things.The largest killer whale hunts minke whales in open water while the ice killer whales mainly hunt seals.A third type of killer whale mainly preys on penguins and the fourth dives deep to hunt fish.1Acco
13、rding to Paragraph 1，killer whales hunt a seal on a piece of ice by _.Apushing the ice onto the groundBknocking hard on the ice togetherCcreating large waves to wash it off the iceDfollowing it all the time until it swims in the sea答案C解析细节理解题。根据第一段最后一句“The killer whales work together as a group to c
14、reate large waves that wash seals off the ice.”可知这种鲸鱼通过制造大浪把海豹从冰上冲刷下来，然后捕食它们。2It is implied in the passage that _.Akiller whales often stay hungryBkiller whales usually hunt aloneCcompetition among killer whales is very fierceDkiller whales are very good at hunting seals at sea答案D解析推理判断题。根据第二段的“.it
15、is so effective that it produces a meal for the whales three out of every four times they use it.”以及第三段的“.they were always successful in getting the seal into the water.”可推断这种鲸鱼很擅长捕食海豹。3What does the underlined word “flee” in Paragraph 3 most probably mean?AMove. BEscape.CStruggle. DFight.答案B解析词义猜测题
16、。根据but的语境可知，有时候海豹也会成功地“逃脱”。4What is Paragraph 4 mainly about?AHow Dr.Pitman and his colleague work.BHow killer whales find seals.CHow killer whales hunt seals.DHow killer whales eat a seal.答案C解析段落大意题。通读第四段可知，主要是通过镜头来告诉我们这种鲸鱼是如何成功猎捕海豹的。.任务型阅读We are going to describe one way to build a rooftop garden
17、that does not even require soil.Four things are needed for a small rooftop garden.One thing is a roof that can support the weight.Another is grass cutting.The third thing is a sheet of plastic in which to spread the cut grass.And the last thing is a box about eight centimetres deep and made out of f
18、our pieces of wood.Once you are sure the roof is good，cut and collect some grass.Then lay down the plastic where the garden box will go.The foursided box can be as long and as wide as needed.Place the box on top of the sheet of plastic.Then fill it with the cut grass.Next，add water and walk on the c
19、uttings to press them down.After about three weeks，the rooftop garden is ready for planting.Put the seeds directly into the wet grass cuttings.This garden is a good place to grow peas，tomatoes，beans，onions and lettuce.If the box is deep enough，potatoes and carrots will also grow.It is important to k
20、eep the grass wet until the plants begin to grow.When the plants are growing，they will need watering every day，unless there is rain.And they will need some liquid fertilizer.Also，seeds and new plants must be protected from insects and birds.Rooftop gardens are increasingly popular，and not just to gr
21、ow vegetables.They keep buildings cooler in the sun，so they save energy.They can also extend the useful life of a roof.Rooftop gardens also reduce the runoff of storm water and help clean the air.Plus the add beauty，and give birds and insects in the city a nice place to live.Title：The Building of a
22、Rooftop Vegetable GardenThings needed1.Aims/PurposesRequirementsa roofto 2.support the weight3.flat and strong enoughgrass cuttingto be used as 4.soilto be pressed downa sheet of plasticto 5.prevent possible leaks(渗漏)on which to 6.spread the cut grassa 7.wooden boxto hold the cut grassmade of 4 piec
23、es of woodseedsfor vegetablesto be protected from 8.insects9.water and fertilizerto make vegetables grow bettersupplied frequently and 10.properly/correctly fertilizer.微写作写作素材1现在很多志愿者举行各种各样的活动去帮助残疾人。2他们希望他们的行为能吸引更多的人。3他们也希望更多的公司会雇佣残疾人。4与此同时，残疾人也对他们的帮助表示感激。提示：黑体部分用本单元词汇表达。连句成篇(将以上句子连成一篇50词左右的英语短文)Now_many_volunteers_hold_all_kinds_of_activities_to_aid_people_with_disability.They_hope_their_actions_will_attract_more_people_and_that_more_companies_will_employ_the_disabled.At_the_same_time，the_disabled_are_grateful_to_them_for_their_help.
