A.To collect enough money for the project. | B.To safeguard food crops. |
C.To protect wild plants from extinction. | D.To help scientists study wild plants. |
A.the seeds in the bank can be used now and then all over the world |
B.India and Brazil haven’t joined in the Seed Bank Project at present |
C.there is only one seed bank in the world at present |
D.the wild plants in places like India and China will never die out |
A.The extinction of plant species. |
B.The Millennium Seed Bank Project. |
C.Britain’s seed bank. |
D.Kew Gardens’ next goal. |
A.The global partnership of collecting wild plant species. |
B.The temperature condition of the wild plant species in the bank. |
C.The government’s support for the seed bank project by giving money. |
D.Scientists’ concern on the extinct wild plant species. |
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A.Feathers are used to make pillows, coats and other products. |
B.Most feathers are paid no attention to. |
C.Most feathers are used as nutrient |
D.Most feathers are used to make flowerpots |
A.They won’t last long. | B.They can’t break |
C.They are environmentally friendly | D.They can be reused |
A.Too heavy | B.Too old |
C.Never re-used | D.lasting longer but unnecessary |
A.Chicken and its feathers | B.How to deal with feathers |
C.feathers made into flowerpot | D.New flowerpots |
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A.the magazine | B.their invention | C.the experiment | D.their experience |
A.both mice and humans | B.only mice |
C.only humans | D.neither humans nor mice |
A.these mice had been given only 80 milligrams of caffeine |
B.these mice hadn’t been injected with caffeine |
C.these mice were very big and strong |
D.these mice hadn’t been given enough caffeine |
A.Human and Mice | B.New Radiation Defense—Coffee |
C.Deadly Radiation—Gamma Radiation | D.Mice Died of Caffeine |
A.causing death | B.lively | C.exciting | D.rich |
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A.They can help each other take baths. |
B.They are dirtier during cooler weather. |
C.They prefer taking baths to rolling in mud. |
D.They like to stay cool and clean. |
A. dust can dry their fur and skin |
B.They are not good at swimming |
C.Water is too cold for them |
D.Dust is good for their health |
A.some animals can get clean from others`help |
B.Most animals are friendly to each other |
C.small animals couldn`t get food from big ones |
D.All of the animals prefer to stay clean |
A.is often eaten by other fish |
B.1ikes under other fish`s skin |
C.is a small kind of fish |
D.1ikes taking baths |
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A.teens’ brains continue to do much needless work |
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A.It makes us always feel disappointed. |
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D.It had a bad effect on decision-making. |
A.Teens have different brains from those of children. |
B.Adults work more effectively than teens. |
C.Grey matter makes teens unable to pay attention. |
D.Brain energy is wasted in the brain’s activity. |
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C.it’s a loud shout from | D.it’S totally different from |
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D.Waste on islands will be offloaded directly into the sea. |
A.To attract more tourists to the Maldives. |
B.To state the waste disposal problem in the Maldives. |
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A.A toy that can be used for entertainment. |
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C.An object that is made of crystal. |
D.A setback that is hard to overcome. |
A.violent TV programs have bad effects on children’ behavior |
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D.there are too many students in class for a teacher to teach |
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A.Quite helpful. | B.Extremely happy. | C.Very unlucky. | D.Rather upset. |
A.is not important at all | B.makes people more likeable |
C.may not be the key to success | D.helps you do better at school |
A.Feeling good doesn’t mean you lead a happy life. |
B.People with high self-esteem always seek others’ help. |
C.People with high self-esteem tend to be selfish. |
D.People with low self-esteem are often more popular. |
A.with high self-esteem | B.with low self-esteem |
C.who contribute significantly to society | D.who are in need of support |
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