69.Civil rights fighters demanded that the blacks be treated as e_______ as the whites.

68.The separation of blacks and whites was f______.by law after the slavery was abolished.

67.Most animals and plants are s_______ to larger or sudden changes in temperature, so the ocean is a safe and comfortable habitat.

66.Our country has made many new ____(突破)in agriculture recently.

Competition is necessary for the development and advancement of a society.Cooperation is important for the existance and 　31　 of a society. Competition can push one to make greater progress., 　32　 cooperation can bring benefits to society as well as to everyone. In my opinion, 　33　 competition and sincere(真诚的)and friendly cooperation should be 　34　 and promoted(鼓励).

Competition 　35　 be seen everywhere and every time. It can be very 　36 . For example,the workers of one factory try their best to produce high quality products in order to compete with other factories to make a larger share in the market. College students compete with each other, to get better grades, win scholarship, and then get better jobs in the 　37　 . This is just like a race in the sports meeting. Only when we dash(猛冲)along can we 　38　 . On the other hand, we live, work, and study with many other people and we are 　39　 of a society. In many cases, we can’t do 　40　 cooperation between us because each one’s ability is 　41　 . 　42　 　cooperation is also important. As　 43　 as we are cooperative, our achievements will be greater. We can say that cooperation is the 　44　 of success.

　 In one word, if one wants to be successful, to gain greater achievement, and to seek for a happier and safer life, he or she must 　45　 to be both competive and cooperative.

　 31. A. value　　　 B. freedom　 C. fortune　　　　 D. peace　　　　

32. A. or　　　　 B. while　　　 C. but　　　　 D. for

　 33. A. fair　　　　 B. false　　　 C. extra　　　　 D. frequent

　 34. A. increased　 B. expoited 　C. encouraged　　 D.prevented

　 35.A. must　　　 B. should　　　 C. would　　　 D. can

　 36.A. steady　　 B. helpful　　 C. nervous　　 D. severe(严峻的)

　 37.A. college　　　 B. future　　　 C. contest　　　 D. cooperation

　 38.A. arrive　　　 B. succeed　　 C. run　　　　 D. finish

　 39.A. members　　 B. students　　 C. masters　　 D. leaders

　 40.A. without　　 B. with　　　　 C. in　　　　　 D. for

　 41.A. broad　　　 B. narrow　　 C. limitted　　 D. strong

　 42.A. However　　 B.Otherwise　　 C. Therefore　 D. Besides

　 43.A. soon　　　　 B. long　　　　 C. far　　　　 D. well

　 44.A. key　　　　 B. base　　　　 C. result　　　 D. cause

　 45.A. learn　　　　 B. pretend　　 C. remain　　 D. affair

30.The best way you thought of _____ people getting into the dangerous areas.

　 A. has stopped　 B. stopping　 C. having prevented　 D. kept