1._______(Whether, If )we can get rid of pollution is still a big problem.答案: Whether

10. The land should be s _______ equally among the peasants.(分配)　 答案: shared

9. The proud man said he would rather s ______ than beg for food.　 答案: starve

8. Smoking c ______ great harm to health.(引起)　 答案: causes

7. You will r _______ your prospects if you continue to be so foolish.(毁掉)　 答案: ruin

6. They demand more v ______ in their food.(花色品种)　　 　答案: variety

5. We never thought the climb was so ______(累人) .　 　答案: tiring

4. Put on the sun hat, please, or you will get _______(晒伤).　 　答案: sunburnt

3. After several years of work, he became more and more _______(有经验) at teaching.

　答案: experienced

2.They invented a ______(奇特) shaped piece of wood for hunting.　 答案: curiously