In the 19th century, it was common to hear people in Europe and America say that the res

ources of the sea were unlimited. For example, a famous biologist said () the mid 1800s that resources of the sea were (). Today there's () that the resources of the sea are as seriously threatened as () of the land and the ai (), the threat to fish is greater () than the threat to birds and land animals because fish are a () needed food resource. Many people throughout the world () fish as an important part of their food and a reduction () the fish supply could have wide () on hunger and the population. Fishermen in the Atlantic, every year, () 20 billion pounds of fish to () food demands. But it is important to () that these practices cannot continue () the using up of the fish resources within the next few years.

Sea resources are () declining in many parts of the world and the problem cannot be (). It is only () care and planning in this generation () the food () of the sea can continue () future generations.

1、A) on B) in C) at D) by

2、A) exhaustible B) inexhaustible C) vast D) uncountable

3、A) fact B) event C) evidence D) trend

4、A) that B) those C) which D) what

5、A) Furthermore B) Regardless of C) Fortunately D) In addition to

6、A) by the way B) under way C) in some ways D) to such an extent

7、A) many B) as C) much D) such

8、A) apply B) utilize C) organize D) depend on

9、A) for B) at C) in D) on

10、A) affects B) results C) effects D) significance

11、A) get B) breed C) consume D) devise

12、A) provide B) meet C) supply D) present

13、A) refer B) represent C) recognize D) reveal

11、A) by B) for C) in D) with

15、A) rapidly B) almost C) frequently D) effectively

16、A) considered B) adapted C) ignored D) acquired

17、A) with B) under C) in D) by

18、A) in which B) by which C) in this way D) that

19、A) deposits B) supplies C) components D) blocks

20、A) with B) by C) for D) on