第1题
B)so
C)for
D)just as
第2题
workers to wear small computers, calling "electronic tags". The 【M1】______
companies say that these tags will to help them to reduce costs 【M2】______
and increase the efficient delivery of goods and food to stores.
The system uses American satellite and radio technology
send messages to the workers. In a report Professor Blakemore 【M3】______
from the University of Durham said that the use of
these tags is making some workplaces more like prisons. 【M4】______
The technology arrived from the US at the start of the year
and more and more companies are using it. Almost 10,000
employees are using it to supply good to well-known British 【M5】______
supermarkets. Trade unionists representing workers are
worried that companies could use the technology to check
what workers are doing work. They are asking for special 【M6】______
measures to make sure that this does not happen.
Under the system, workers have to wore computers on 【M7】______
their wrists, arms and fingers, and sometimes they have to wear a
special vest contained a computer that instructs them 【M8】______
where go to collect goods from warehouse shelves. 【M9】______
The system also allowed the store to send orders to workers' computers. 【M10】______
【M1】
第3题
A.It has a flattened shape
B.It has an extra layer of pigmented tissue
C.It has a furry covering
D.It has a large cranial cavity
第4题
First, like the population of humans in this region of the world, the skin of the grass mouse contains lots of melanin, or dark pigment. Second and quite unusual, this mouse has a layer of melanin pigmented tissue between its skull and skin.
This unique cap provides an extra measure of protection for the grass mouse and three other types of African mouse, like rodents that are active during the day.
The only other specie scientists have identified with the same sort of skull adaptation is the white tent-making hat of the Central American tropics. Although these bats sleep during the day, they do so curled up with their head exposed to the sun.
What is the speaker mainly discussing?
A.The adaptations of the African grass mouse to its environment.
B.The sleeping habits of the African grass mouse.
C.The effect of intense sunlight on the diet of the African grass mouse.
D.The habitat of the African grass mouse.
第5题
Because it spends a lot of time in the intense tropical sun, the grass mouse has also evolved two separate safeguards against the sun's ultraviolet radiation. First, like the population of humans in this region of the world, the skin of the grass mouse contains lots of melanin, or dark pigment. Second and quite unusual, this mouse has a layer of melanin pigmented tissue between its skull and skin. This unique cap provides an extra measure of protection for the grass mouse and three other types of African mouse, like rodents that are active during the day. The only other species scientists have identified with the same sort of skull of that occasion is the white camp-making bat of the Central American tropic. Although these bats sleep during the day, they do so curled up with their head exposed to the sun.
(44)
A.The adaptations of the African grass mouse to its environment
B.The sleeping habits of the African grass mouse
C.The effect of intense sunlight on the diet of the African grass mouse
D.The habitat of the African grass mouse
第6题
Two doctors were chosen to make the study. They flew to Africa and during the next two months visited ten countries. They found that serious diseases of poor eating, often mistaken for other diseases, existed in all parts of Africa. The diseases were similar and could therefore all be named kwashiorkor.
The diseased children are usually from one to four years old. As the illness progresses, the child's stomach becomes swollen by liquid collecting in the body. The skin changes color and may break out in open sores. The hair changes color and starts to fall out. The patient loses all interest in his surroundings and even in food, and becomes so weak that he wants to lie down all the time. Stomach liquids are no longer produced.
The doctors reasoned that kwashiorkor was found in the young children of this age in many parts of Africa because of lack of milk or meat. Their mothers, after stopping their breast-feeding, gave them foods full of starches instead of greatly needed proteins. They found that the addition of milk to the food of children suffering from kwashiorkor saved many lives.
It was necessary that the children of Africa be helped to eat better. The doctors suggested that the production of foods rich in protein be increased; they thought that more fish should be caught and more nuts should be grown. They urged education plans to teach mothers better ways of feeding children. They suggested that the United Nations send large quantities of powdered milk to hospitals and child-health centers. Finally, they recommended closer study of all the special problems connected with kwashiorkor.
One difficulty in discovering kwashiorkor is that______.
A.it has no viruses
B.it is like other diseases
C.it is hard to see signs of it
D.it does not last long
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