题目内容
5.People living more than three thousand meters above sea level find it difficult to raise vegetables all year long.People living in the highlands of Peru and Bolivia,for example,cannot grow vegetables outdoors during the months of May through September.It is very cold in the highlands at that time of year.If traditional farming methods are used,vegetables will not survive.However,there is another way to grow vegetables throughout the year in cold areas.It is a method of gardening developed by a private agency called World Neighbors.The method uses"hot houses"built below ground.A hot house is a building covered with plastic or glass in which vegetables or flowers are grown.The traditional hot house is built above ground.
The air temperature is cold in the highlands of Peru and Bolivia during the winter.But,the winter sun is hot.So,World Neighbors advises farmers there to build hot houses below ground.The design is simple.The material does not cost much.Here is how World Neighbors says to build it:Dig a hole two and one-half meters wide and six meters long.Make it about two meters deep.Build wall with a door in one end of the hole.Dig steps from the ground down to the door.
Now,build a wall along the top edge of the hole.Make it about one-half meters tall.Earth bricks work fine.Build two shorter walls on the ends.These will be uneven; one side will be as high as the existing wall.The other side will be at ground level.Leave a small opening in each of these sloping walls.This prevents the hot house from becoming too hot.Now,make the roof.Build a wood frame.Cover it with clear plastic.Connect it to the brick walls.
The underground hot house we have described is large enough for two raised vegetable beds.Each is one meter wide and six meters long.Each is seeded and watered just as if it were in a garden above ground.
The dirt walls protect the growing plants from the cold.The clear plastic roof permits the sun's heat to enter.At night,the roof should be covered with straw.This helps prevent cold air from entering.An under ground hot house this size will provide enough vegetables for one family.Groups needing more vegetables can make it bigger.
66.If you lived in Peru,youC.
A.should raise the special kinds of vegetables that can endure cold
B.could not plant at all
C.had to work out some new unusual plans
D.would not have many vegetables to eat
67.To our surprise,the"hot houses"invented by World Neighbors areB.
A.covered with a transparent plastic ceiling
B.built under ground
C.quite small
D.hotter than traditional ones
68.The hot house can be kept warm by usingD.
A.a big oven
B.an electricity heater
C.the heat of the earth's interior
D.the sun shine
69.The measure to prevent the hot house from becoming too hot is toB.
A.make the roof sloped
B.dig holes on the walls
C.make the wall not vertical
D.make the walls shorter than the ground level
70.According to the passage,the method suggested by World Neighbors isD.
A.new and difficult B.uneasy to explain
C.at trial step D.simple and practical.
分析 文章介绍了海拔非常高的地方种植蔬菜的一种特别方式-在地下建一个热的房子,描述了房子的建造方法.
解答 66-70 CBDBD
66 C 细节题.根据文章第一 段If traditional farming methods are used,vegetables will not survive. 可知按照传统方法种植蔬菜在秘鲁行不通,因此要采用新的不同寻常的方法,故选C.
67 B 细节题.根据文章第二 段The method uses"hot houses"built below ground. 可知这个热的房子建在地下,故选B,ACD不符合文意.
68 D 细节题.根据文章第二 段But,the winter sun is hot.So,World Neighbors advises farmers there to build hot houses below ground. 可知这个热的房子是通过冬天的太阳而取暖的,故选D.
69 B 细节题.根据文章第三 段 Leave a small opening in each of these sloping walls.This prevents the hot house from becoming too hot.可知通过给墙壁留小的开口可以阻止房子太热,故选B.
70 D 细节题.根据文章第二 段.The design is simple.和最后一段的An under ground hot house this size will provide enough vegetables for one family. 可知这个设计既简单又实用,故选D.
点评 考察学生的细节理解和推理判断能力,做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确的选择.在做推理判断题不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.
A. | have grown; are | B. | have grown; is | C. | has grown; is | D. | has grown; are |
A. | neither | B. | none | C. | each | D. | both |
A. | anything | B. | something | C. | everything | D. | nothing |