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In the 19thcentury, it was common to hear people in Europe andAmericasay that the resources ofthe sea were unlimited. For example, a famous biologist saidr(1 )rthe mid 1800s that resources of the se

In the 19thcentury, it was common to hear people in Europe andAmericasay that the resources ofthe sea were unlimited. For example, a famous biologist saidr(1 )rthe mid 1800s that resources of the sea werer r( 2 )r. Today there’sr r( 3 )rthat the resources ofthe sea are as seriously threatened as r( 4 )rof the land and theair. r r( 5 ), the threat to fish is greaterr r(6 )rthan the threat to birds and land animals because fish area r( 7 )needed food resource. Many people throughout the worldr r( 8 )rfish as an important part of their food and areductionr r(9 )rthe fish supply could have wider r( 10 )ron hunger and the population. Fishermen in the Atlantic, every year,rr(11 )r20 billion pounds offish tor r(12 )fooddemands. But it is important to r( 13 )rthat these practicescannot continuer r( 14 )rthe using up of thefish resources within the next few years.

Sea resources are r(15 )rdeclining in manyparts of the world and the problem cannot berr( 16 )r. It is onlyr r( 17 )rcare and planning inthis generationr r( 18 )rthe foodr r( 19 )rof the sea cancontinuer r(20 )future generations.

1.

Aon

Bin

Cat

Dby

2.

Aexhaustible

Binexhaustible

Cvast

Duncountable

3.

Afact

Bevent

Cevidence

Dtrend

4.

Athat

Bthose

Cwhich

Dwhat

5.

AFurthermore

BRegardlessof

CFortunately

DInadditionto

6.

Abytheway

Bunderway

Cinsomeways

Dtosuchanextent

7.

Amany

Bas

Cmuch

Dsuch

8.

Aapply

Butilize

Corganize

Ddependon

9.

Afor

Bat

Cin

Don

10.

Aaffects

Bresults

Ceffects

Dsignificance

11.

Aget

Bbreed

Cconsume

Ddevise

12.

Aprovide

Bmeet

Csupply

Dpresent

13.

Arefer

Brepresent

Crecognize

Dreveal

14.

Aby

Bfor

Cin

Dwith

15.

Arapidly

Balmost

Cfrequently

Deffectively

16.

Aconsidered

Badapted

Cignored

Dacquired

17.

Awith

Bunder

Cin

Dby

18.

Ainwhich

Bbywhich

Cinthisway

Dthat

19.

Adeposits

Bsupplies

Ccomponents

Dblocks

20.

Awith

Bby

Cfor

Don

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