英语四级
A.new kinds of desks and chairs should be made
B.it is feasible for teachers to let students turn around and form groups of four to six even in large lecture halls
C.classroom interaction between students is essential to the training of critical thinking
D.a comfortable environment leads to higher working efficiency
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A.create a comfortable setting for interaction
B.give an example that students stay in the same seat throughout the course
C.describe a good seat-arrangement mode in courses with small group format
D.introduce an approach of learning students' names and faces easily
Questionsare based on the following passage.
If an animal is moved from its home in the tropics to a cold climate, it will die if it is not kept warm. And animals 1 to cold climates will die if they are moved to the tropics. Many plants, too, will die if they are removed from the place where they normally grow and are transplanted into an 2 soil. Almost every species is adapted to life in a particular place by its organs and their functions and by permanent habits. The specialized adaptation has great advantages, for it 3 many organ- isms to survive under different conditions. It also has disadvantages, for it means that the life of most species is controlled by 4 conditions.
Living things are not scattered over the earth 5 ; most species have definite habits for living places. Ecology is the study of how organisms live in their environment. This means finding out how an organism 6 and reproduces in certain surroundings. By environment we mean not only the soil and the climate but the living things of the same species and other species, plant or animal. Most living things are, 7 to their environment. Some can alter certain features of their environment to 8 themselves; a beaver, for example, can make ponds by building dams; many birds and insects can build 9 nests to provide shelter for their young. But these skills are restricted and highly specialized. Most organisms must adapt their bodies to fitting in with their surroundings, and since they can adapt only for particular surroundings, they are found only in places where they can live 10 with the least effort.
A.unfamiliar F native K.slaves
B.substitutes G.assigned L. adapt
C.elegant H.suit M.enables
D.accustomed I.survives N.suc
it will die if it is not kept warm. And animals 1 to
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至 第 56 题 Section A Directions: In this sec
泰山位于山东省西部。海拔1500余米,方圆约400平方公里。泰山不仅雄伟壮观,而且是一座历史文化
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Passage two Questions are based on the following passage
what does professor leonard hayflick believe?
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