A.make efforts to clone the endangered pandas |
B.save endangered animals from dying out |
C.collect DNA of endangered animals to study |
D.transfer the nuclear of one animal to another |
A.a(chǎn)vailable panda eggs | B.host animals |
C.qualified researchers | D.enough money |
A.China’s Success in Pandas Cloning |
B.The First Cloned Panda in the World |
C.Exploring the Possibility to Clone Pandas |
D.China —the Native Place of Pandas Forever |
A.Kraemer and his team have succeeded in cloning a dog |
B.scientists try to implant a panda’s egg into a rabbit |
C.Kraemer will work with Chinese scientists in clone researches |
D.a(chǎn)bout two thousand of species will probably die out in a century |
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A.How the caves were formed on Mars. | B.How scientists found these caves on Mars. |
C.Caves on Mars may be full of hot air or a sign of life. | |
D.Scientists have completely recognized the surface of Mars. |
A.water has already been found on Mars | B.the scientists found all the caves at night |
C.it is certain that there is life in these caves | |
D.the surface of Mars is bitterly cold, radiation-soaked and dry |
A.such caves could provide energy for life | B.they had finally found the caves on Mars |
C.such caves would be perfect places to hunt for life | |
D.scientists had long been looking for these caves |
A.lava and energy | B.water and radiation from space |
C.gases and lava | D.water and protection from radiation |
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A.to report his classmates’ discussion | B.to invite an answer to his question |
C.to explain the natural state of Mars | D.to show his agreement on going to Mars |
A.There is a plan to send humans to Mars. |
B.There are many reasons for going to Mars. |
C.Scientists become famous by doing research on Mars. |
D.It is possible to build an Earth-like environment on Mars. |
A.humans need only a one-way ticket to Mars. |
B.two-way trips to Mars will be made safe soon |
C.it is easy to reduce the danger and cost of flights to Mars |
D.it is cheap to build an everlasting human settlement on Mars |
A.Humans will have to bring all they need from the Earth. |
B.Humans will find Mars totally unsuitable for living. |
C.Humans can produce everything they need. |
D.Humans can live longer in the colony on Mars |
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A.they watch TV too often | B.they have done too much homework |
C.they have to fulfill too many duties | D.teachers are too strict with them |
A.learning Latin | B.discipline |
C.natural development | D.education at school |
A.when children are allowed to do what they wish to |
B.when everything can be taught at school |
C.when every child can be educated |
D.when children are permitted to receive education |
A.parents should leave their children alone |
B.kids should have more activities at school |
C.it’s time to be more strict with our kids |
D.parents should always set a good example to their kids |
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A.A new medical instrument |
B.A new type of talking machine. |
C.A new type of cash machine. |
D.National Cash Register |
A.Stella | B.ATM | C.PIN | D.NCR |
A.need a bank card | B.have to put in your PIN |
C.move your finger | D.just look directly at the teller machine |
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A.a(chǎn) new way of highway speed control |
B.a(chǎn) new pattern for painting highways |
C.a(chǎn) new way of training drivers |
D.a(chǎn) new type of optical illusion |
A.they should avoid speed-related hazards |
B.they are driving in the wrong lane |
C.they should slow down their speed |
D.they are coming near to the speed limit |
A.can keep drivers awake | B.can cut road accidents in half |
C.will look more attractive | D.will have a longer effect on drivers |
A.try out the Japanese method in certain areas |
B.change the road signs across the country |
C.replace straight, horizontal bars with chevrons |
D.repeat the Japanese road patterns |
A.They are suitable only on broad roads. |
B.They are falling out of use in the United States. |
C.They are ignored in a long period of time. |
D.They cannot be used successfully to traffic circles. |
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A.Care for your dream |
B.Dream and reality |
C.Nothing is impossible |
D.Efforts to be a ballerina will pay |
A.she was bored of dancing and performing |
B.she had lack of self-respect |
C.her health conditions allowed her dream to die |
D.she was deeply affected by others easily |
A.the author was once a pretty and slender girl with wonderful dream. |
B.we should dare to give up our dream facing much pressure and difficulty |
C.if you stick to your dream and never say die, you will enjoy a bright life |
D.You should necer give up. |
A.to complain | B.to praise | C.to warn | D.to criticize |
A.turn down | B.take up | C.give up | D.settle down |
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A.some space research |
B.a(chǎn) study on African animals |
C.a(chǎn)n ASL project |
D.the program of training the Air Force |
A.was not successful |
B.led to the book Next of Kin |
C.won honor for Fouts |
D.made a difference |
A.supported |
B.studied |
C.questioned |
D.discussed |
A.The ASL project was first set up in Africa for the study on Washoe. |
B.Washoe may communicate with other chimps by signing. |
C.Washoe must have been able to speak 250 words or so. |
D.The researchers will prove that most chimps could use language. |
A.Washoe was the first animal to be taught human language. |
B.Washoe, the chimp, was named in honor of a place. |
C.There were four chimps in total at Ellensburg Campus. |
D.Chomsky believed primates only perform silent signs. |
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