高二英语词汇专项练习60题(5)

　　59.Burning all the lights in the classroom will be a great___ on electric power.
　　　A. waste    B. lack    C. drain   D. damage

　　60.As civilization____, more and more people have realized the importance of preserving rare animals from extinction. 
　　　 A. stretches  B. spreads C. extends D. expands

　　Suggested Answers:

　　01-05 CCBDD 06-10 DBCDD 11-15 AACBB 16-20 CBBAD 21-25 ABBDB 26-30 CAABB 31-35 CBACD 36-40 ABBAC 41-45 BDCDD 46-50 ACABC 51-55 BADDB 56-60 BACCB