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2013年英语四级考试�日一练(7月20日)

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在线测试本批《�日一练》试题,�查看答案�解�,并�留�题记录 >> 在线�题
�汇
1. All her energies are ________ upon her children and she seems to have little time for anything else.
A.guided
B.aimed
C.directed
D.focused
2. 根�以下资料回答22-12题


The greatest benefit of science has been __________.

阅读(填空题)
3. Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank .following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once.
Questions12-36are 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
4. It is impossible mat_____________________(她能按时还钱).

5. Hardly had he finished his work__________(电�就�了).

6.
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根�你所�到的回答36-48题:


请在(36)处填上答案。
7. Questions{TSE}are based on the following passage.



回答47题:
8. Her success is not surprising ________________ (如果你考虑到她的�断努力的�).
9. According to orzack, people who struggle with heavy reliance on the Internet may feel ______.
A.pressured
B.puzzled
C.depressed
D.discouraged
写作
10.

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