A.It’s an organization working together with National Park Service to provide education. |
B.Some of the activities held by NatureBridge are financially supported by Google. |
C.Students from kindergarten to college can sign up for the organization’s activities. |
D.It’s going to cut down budget for the activities because of economic hard times. |
A.Yellowstone National Park. | B.Prince William Forest Park. |
C.Yosemite National Park. | D.Not mentioned in the passage. |
A.National parks are used as outdoor classrooms for students. |
B.Students are called on to be members of NatureBridge. |
C.Some famous national parks in US are attractive to students. |
D.Park rangers make visiting parks much more interesting. |
A. |
B. |
C. |
D. |
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A.the change of music over time | B.a(chǎn)nimals’ response to music |
C.special music for animals | D.the origin of music |
A.looked anxious | B.became restless |
C.felt at ease | D.made long calls |
A.of Led Zeppelin | B.of Miles Davis |
C.of Metallica | D.specially composed for them |
A.build better ties between animals and humans |
B.compare monkeys and cats in term of music |
C.develop new music based on animals’ calls |
D.find better ways to keep animals under control |
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A.An insect made of a certain metal. |
B.A robot looking like an insect. |
C.An insect with a chip in its body. |
D.A tiny flying robot. |
A.There must be a controlling chip well connected with the insect’s brain. |
B.The insect’s eyes and other organs must be replaced by some special equipment. |
C.All the insect’s concerned organs must be controlled by a chip. |
D.The insect must be so well trained as to make full use of its organs. |
A.have a clear picture of almost every part of the world |
B.have insect robots from all over the world |
C.see clearly the things within 10 to 100 meters |
D.get many insects which obey their orders |
A.They can’t keep sound growth of the insects. |
B.They can’t ensure the insects to produce their young. |
C.They can’t fix a chip in an insect. |
D.They can’t make sure the internal organs function well. |
A.Leading. | B.Vital. | C.Moral. | D.Final. |
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A.produce 6 percent more waste |
B.can be made biodegradable more easily |
C.can be used as a source of food |
D.save 40 percent of the energy |
A.Paper bags | B.Plastic bags |
C.Biodegradable plastic bags. | D.Cloth bags. |
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A.early | B.sweetly |
C.quickly | D.suprisingly |
A.they are cold to each other |
B.they look away from each other |
C.they understand each other's signals in a wrong way |
D.they are introduced at an early age |
A.They eat and sleep together. |
B.They observe each other's behaviors. |
C.They learn to speak each other's language. |
D.They know something from each other's voices. |
A.We should learn to live in peace. |
B.We should know more about animals. |
C.We should live in peace with animals. |
D.We should learn more body languages. |
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A.They eat more food. | B.They eat less nutritious foods. |
C.They eat cheaper fruits. | D.They eat cheaper vegetables. |
A.a(chǎn)re damaging a great part of their agricultural land |
B.will play a great role in feeding the growing world population |
C.a(chǎn)re spending lots of money increasing agricultural production |
D.will not be so seriously affected by food prices as rich nations |
A.Improving the growing methods. |
B.Finding more agricultural land. |
C.Preventing governments' involvement. |
D.Improving farmers' living conditions. |
A.Agriculture means difficulty and sadness. |
B.Food prices will go down in the near future. |
C.It's almost impossible to feed 9,000,000,000 people by 2050. |
D.Both rich and poor countries should take agriculture seriously. |
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A.a(chǎn)ttracting more public attention |
B.shutting down the “myspace.com” |
C.learning different ways to try other sites |
D.recognizing and getting away from them |
A.everybody you meet online isn’t honest and reliable |
B.it is not acceptable to post a photo of a friend online |
C.it is not safe to chat with grown-ups on the website |
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A.A thing that you can have two choices. |
B.An unpleasant task that tests one’s ability. |
C.A possibility of something happening. |
D.An illegal plan for making money. |
A.Personal Safety. | B.Web Safety for Teens. |
C.Web Hackers in the past. | D.Predators’ Tricks. |
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A.Because small pieces of food would fall down to the floor. |
B.Because weightless pieces of food might make trouble when they travel around. |
C.Because they haven’t enough food for longer trips. |
D.Because astronauts don’t want to waste food. |
A.walk just as they do on the earth. |
B.not eat anything because it’s dangerous. |
C.control the spaceship when they are sleeping. |
D.not litter small things or it will make trouble. |
A.Because he thinks it is comfortable to sleep in that way in space. |
B.Because he doesn’t want to touch any controls when he sleeps. |
C.Because the instruments of the spaceship are easily broken. |
D.Because he is afraid that the seat will move. |
A.Eating and Sleeping in Space |
B.How Astronauts Eat in Space |
C.Food for Space |
D.How Astronauts Sleep in Space |
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A.Timothy’s parents. | B.Timothy’s grades. |
C.Psychologists. | D.The students. |
A.Timothy was very hardworking. |
B.Timothy was being mistreated. |
C.Timothy had a heavy burden. |
D.Timothy was enjoying his childhood. |
A.Children should be allowed enough time to play. |
B.Playing board games works better than playing video games. |
C.The more they play, the more creative children will become. |
D.The depression caused by homework makes children unwilling to play. |
A.About ten minutes. |
B.No more than twenty minutes. |
C.No more than thirty minutes. |
D.About fifty minutes. |
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