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Sharks Perform a Service for Earth's WatersIt is hard to get people to think of sharks as anything but a deadly enemy. They are thought to attack frequently. Although these fish perform a 41___ ( value) service for earth's waters and for human beings. business and sport fishing are 42___ (threat) their existence.As a result,some sharks are at risk of disappearing from Earth.Warm weather may influence. both fish and shark 43___ (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 why people should not swim in the ocean when the sun.46___ (go) down or comes up. because those are the times when sharks are looking for food. Experts also say that bright colors and shiny jewelry(珠 宝) may cause sharks to attack.Medical researchers want to learn 47___ (much) about the shark'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 that the numbers of other fish in ocean waters do not become too great.This protects the plants and other forms of life that exist in the oceans.
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.
1.When Tracy MeGrady is healthy,his play can be 80 beautifulthat even his own teammates on the court cannot help but admire it inthe middle of a game.2.“It's hard for me, because I'm a fan of basketball,”Houstonpoint guard Rafer Alston told the Houston Chronicle newspaper afterMeGrady' s 44-point performance against Utah on January 5.“Whenhe's shooting the ball like that,a lot of times 1 m standing there watching and,all of a sudden, the other team' 8 getting the ball and going ona fast break, and I'm getting yelled at by the coach.”Indeed,McGrady" s body control. his energy , his shooting- watching these arelike watching an artist at work, blending colours, constructing sentences, or playing music.3.Unfortunately, MeGrady,27，hasn't always been. on the job, Already this season, he's missed seven games with back spasms. AfterYao Ming was, injured on Dee. 23. it appeared Houston would bewithout both of its stars. MeGrady，however ,returned three days later and has been playing well ever since . scoring more than 30 points ineach of the last six games,as of Tuesday. Houston can't seem to geton without him. When MeGrady was injured, the Rockets won twoand lost five.4."Listen,there are. only four or five people on the entire planetthat can do the things he can do with the basketball, ”forward ShaneBattier said of McGrady. “From a fan's perspective - and we're fans eventhough we're players- it's rally fun to watch him do that. From a player'sperspective,his game can affect the entire team. No question. We see him, .and we get excited,and that pumps us up. He keeps making shots ,and suddenly it seems to become easier for everybody. '5.But it won't,really. Houston has just begun an important stretch on their schedule. Four of the next seven games will be played away from Houston- and without Yao. Six of the games will be againstteams with winning records. Opponents will double- team McGrady inan attempt to dull the. impact of his art. Instead of watching.McGrady's teammates will need to create a little art of their own,16. Paragraph117. Paragraph218. Paragraph319. Paragraph420. Paragraph5A. Necessity for the Teammates to Improve Their Own SkillsB. Evaluation from Two Different PerspectivesC. Spectacular Performance on the CourtD, Players. Houston Can't Do withoutE. MeGrady ,an Excellent Basketball playerF. MeGrady 's Injury 21. McGrady plays basketball so well____22. He has helped his team gain more points in some games____23. Yao Ming missed several games____24. There are very few people on the Earth____25. Everyone will have to contribute____A. that his teammates cannot help admiring himB. that he is often yelled at by the coachC. who can play basketball so wellD, because he had been injuredE. if Houston hopes to winF. since he returned
Which of the following best states the feature of American educationthat makes it different from education in other countries?()
A、The large number of its schools.
B、The variety of the courses offered in its schools.
C、Its special consideration given to immigrants.
D、Its underlying goal to develop every child's abilities to the fullest extent.
At the age of 10, Muren was able to use computer graphics technology to make things move.()
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