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American RoadsThe United Stares is. well-known for its network of major high ways designed to help a driver get from come place to another in the shortest possible time. Although these wide modern 31___ are generally smooth and well maintained. with few sharp CT and straight sections,a direct route is not always the most 32___ one. Large highways often piss by scenic areas and interesting small 33___Furthermore.these highways generally connect large urban centers,which 34___that they become crowded with heavy traffic during rush hours,when the "fast,direct" route becomes a very slow route,However, there is almost always another route to take 35___ you are noting hurry.Not far from the 36___ news “superhighways" .there are often older.37___ heavily traveled roads which go through the countryside. Some of These are good two lane roads others are uneven roads curving through the country. These secondary routes may go 38___steep slopes, along high cliffs, or down frightening hillside to towns 39___in deep alleys. Through these less direct routes.longer and slower,they generally go to places 40___the air is clean and scenery is beautiful,and the driver may have a chance to get a fresh.clean view of the world.A. LessB. UpC. EnjoyableD. RelativelyE.meansF. RoadsG. lyingH. ThroughI.whichJ.ifK. whereL. towns
The United Stares is. well-known for its network of major high ways designed to help a driver get from come place to another in theshortest possible time. Although these wide modern 31___ are generally smooth and well maintained. with few sharp CT and straightsections,a direct route is not always the most32___ one. Largehighways often piss by scenic areas and interesting small 33___Furthermore.these highways generally connect large urban centers,which 34___that they become crowded with heavy traffic duringrush hours,when the "fast,direct" route becomes a very slow route,
However, there is almost always another route to take 35___ youare noting hurry.Not far from the36___ news“superhighways" .there are often older.37___ heavily traveled roads which go throughthe countryside. Some of These are good two lane roadsothers areuneven roads curving through the country. These secondary routesmay go 38___steep slopes, along high cliffs, or down frightening hillsideto towns 39___in deep alleys. Through these less directroutes.longer and slower,they generally go to places 40___the airis clean and scenery is beautiful,and the driver may have a chance toget a fresh.clean view of the world.A. LessB. UpC. EnjoyableD. RelativelyE.meansF. RoadsG. lyingH. ThroughI.whichJ.ifK. whereL. towns
It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to attack frequently. Although these fishperform a 41___ ( value) service for earth's waters and for humanbeings. business and sport fishing are42___ (threat) their existence.As a result,some sharks are at risk of disappearing from Earth.
Warm weather may influence. both fish and shark43___ (active). Many fish swim near coastal areas because of their warm waters. Experts say sharks may follow the fish into the same areas，where people also swim. In fact ,most sharks do not44___( purpose)charge at or bite humans. They are__ 45 ( think) to mistake a person for a sea animal,such as a sea (海豹) or sea lion, That is whypeople should not swim in the ocean when the sun.46___ (go) downor comes up. because those are the times when sharks are looking forfood. Experts also say that bright colors and shiny jewelry(珠 宝)may cause sharks to attack.
Medical researchers want to learn47___ (much) about theshark's body defense and immune(免疫的) systems against disease.48__ ( research) know that sharks recover quickly from injuries.They study the shark in hope of finding a way to fight human disease.
Sharks are important for the world's oceans,as they eat 49___(injure). and diseased fish. Their 50__ ( hunt) activities mean thatthe numbers of other fish in ocean waters do not become too great.This protects the plants and other forms of life that exist inthe oceans.
According to the passage . American education meets the needs ofall the following EXCEPT
A、the brightest students
B、the slow students
C、the students from foreign countries
D、the immigrants
By the stop motion process, many separate shots can be combinedinto a single image.()
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