2003年4月广东自考英语科技文选真题00836

全国2003年4月高等教育自学考试

英语科技文选试题

课程代码：00836

PART A:VOCABULARY

I.Directions:Add the affix to each word according to the given Chinese,making changes when necessary.(10%)

1．bark     从事     1.           

2．quantity  与量有关的    2.           

3．fold   展开     3.           

4．atomic  亚原子的    4.           

5．fluent   流利     5.           

6．genet   遗传学     6.           

7．breed   由杂交产生    7.           

8．foot   在脚下     8.           

9．galax   星系     9.           

10．audible  听不见的    10.           

II.Directions:Fill in the blanks,each using one of the given words or phrases below in its proper form.(10%)

turn off   start with   out of phase   take off   stand for   at work

in accordance with     compatible with   in advance   show up

11.The difference between hot and cold water         very clearly if we use a thermometer.

12.Let us         a typical solid such as ice.

13.The mechanic is         on your car now.

14.Remove the washer by first         the nut.

15.        Ohm’s Law,the current increases when the potential difference is increased.

16.Ordinary light consists of waves all        .

17.Here F         the force of attraction.

18.These numerical instructions are programed        .

19.The computer program isn’t         this operating system.

20.The new type of rectifier can         by a negative pulse.

III.Directions:Fill in each blank with a suitable word given below.(10%)

competitive   abundant    produce    balance    disrupt   numerous   scarce

survival      chiefly      rapidly

The   21   of an exotic species in a new habitat depends on many factors—  22  ,of course,the availability of food and the presence or absence of predators and parasites.If food is too

  23   or food-getting too   24  ,or if predators are too   25  ,the exotic species will not survive.If food is   26   and predators are absent,it will   27   multiply to plague proportions and   28   the life every organism(including man) in the habitat.Even if the   29   between food and predators is just right,the species may   30   important secondary ecological consequences.

21.           22.           23.           24.           25.         

26.           27.           28.           29.           30.