摘要： In the second paragraph the writer thinks about that .A. some backward race doesn’t have a language of its own.B. some race in history didn’t possess a language of its own.C. any human race, whether backward or not, has a language.D. some races on earth can communicate without language.
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1-3:BCB 4-6:CBA 7-9:ABC 10-12:CBC 13-15:
16. 1718 17. the
21 - 25: DBCDA 26 - 30: BCADC
31. The; 32. them; 33. Compared; 34. that/who;
35. more;36. which; 37. encourages;38 since;
39. contributions; 40. abroad;
41 -45: BCDAB 46-50: CDBAD 51 ?55:CAADB
56-60: BCADF
One possible version
One possible version