Unit 5 The power of nature Section Grammar & Writing.完成句子1那小孩摔了一跤，头碰到了门上。The child fell， against the door.2到过很多的地方旅游，他知道的很多。many places，he knows a lot.3向左转，你就会找到那家银行。 ，youll find the bank.4从山上看，我们发现这湖泊更加漂亮了。 ，we find that the lake looks more beautiful.5他们坐在花园里谈论一起度过的日子。They sat in the garden， they spent together.【答案】1.striking his head2.Having travelled to3.Turning left4.Seeing from the hill5.talking about the days.阅读理解AWind，water，fire and icethese powerful natural forces shaped the land of America in the past.They are still changing it today.The Colorado River slowly cut down through stone to make the Grand Canyon(大峡谷)Wind and rain storms hit the land from time to time.Fires sometimes burn down forests and destroy the homes of wild animals.This happened in Yellowstone Park in 1998.Dead volcanic(火山) mountains such as Haleakaia on Maui and Crater Lake in Oregon are beautiful to look at.But there are several active volcanoes in the US，especially along the Pacific Coast.There are also many earthquakes in this area.Scientists can do nothing to control earthquakes or volcanoes.This was shown clearly on May 10，1980.At 8：32 that morning，Mount St.Helens in Washington state erupted.The top of the mountain was blown off.Over 60 peoplecampers，scientists，journalists，and forest workers were killed.Hundreds of square miles of forests were knocked down.In towns over 100 miles away，day suddenly became night.An ash cloud hid the sun for many hours.Towns and fields in Washington，Oregon，and Idaho were covered with dirty gray ash.Scientists knew that Mount St.Helens might erupt soon.But no one could say when.Scientists had asked people to move away because the volcano was becoming dangerous.But Harry Truman would not leave his home.Now it is covered with many feet of dirty ash.But slowly，life is returning to the dead area around the mountain.Grass and small plants are becoming to grow again.Deer and birds have been seen.The land will never be the same as it once was.Perhaps Mount St.Helens will erupt again.But this is all part of natures pattern of change，and man has little power to control it.1What is the best title for this passage?AWind，Water，Fire and IceBVolcanos Beauty and DangerCThe Power of NatureDNatural Forces Shape Beautiful Land of America【解析】主旨大意题。作者是想通过 the Grand Canyon 的形式过程向我们描述自然的力量。【答案】C2There are several active volcanoes in the US，which mainly lie Aalong the Colorado RiverBin Yellowstone ParkCalong the Pacific CoastDin Washington，Oregon，and Idaho【解析】细节理解题。从第三段第二句话“But there are several active volcanoes in the US，especially along the Pacific Coast.”可知美国境内的活火山主要分布在太平洋沿岸。【答案】C3The underlined word “it” in Paragraph 5 refers to“ ”Athe body of old HarryBthe location of Harrys homeCthe opening on the top of Mount St.HelensDthe place where Harry probably died【解析】词义猜测题。该段提到“But Harry Truman would not leave his home”，接下来文章说“Now it is covered with many feet of dirty ash”，因此it 在这里指 Harrys home。【答案】B4We can infer from this passage that AWashington and Oregon are neighboring statesBthe Colorado River runs through Yosemite ValleyCthe eruption of Mount St.Helens also caused trouble with the Yellowstone ParkDscientists never knew Mount St.Helens was active【解析】推理判断题。从第四段可以看出，当华盛顿州的圣劳伦斯火山爆发时，Washington，Oregon 和 Idaho 的城镇和田地布满了火山灰，由此我们推断Washington，Oregon 以及Idaho 是三个相邻的州。【答案】ABBy teaching your children fire safety you can make sure they know what to do when a house fire occurs.Making sure that your children know exactly what is required of them cuts down on the chaos of the emergency situation and helps keep your family safe and secure.Make sure your children know how to correctly stop，drop and roll and feel confident in the fact that it works.It puts out the flames.The usual response to clothing catching on fire is to run around and run about wildly，which only exposes the fire to more oxygen and feeds the flames.Your children should also know how to touch door handles before opening the door to see if they are hot.If they are，it means that theres a fire in the next room，and they should leave the door closed and find another route out of the house.Make sure your children understand that they should never play with lighters or matches.Fires started by playing with these things are the leading cause of firerelated injuries in children under five years old.Many children are fascinated by lighters and matches and want to experiment with lighting things on fire to see what happens.Do regular fire drills to practice your evacuation plan so that your family knows what to do in an emergency.Make sure everyone knows all the possible exit points of the house that they can use；a fire in your home will be a chaotic situation，and its best to make sure all members of your family know your evacuation plan well enough so that it is seco