8. 下面哪项不属于草坪辅助管理措施（） A. 打孔 B. 梳草 C. 覆沙 D. 施肥 ...

4. 下列哪些环境下易发生草坪病害（ ） A. 水肥适合 B. 低洼积水 C. 土质疏松 D. 管理合理 ...

50. The neighbors do not consider him quite _________ as most evening he awakens them with his drunken singing. A. respectful B. respectable C. respected D. respective ...

43. Don’t be too rude to old Jack. Never in his life _______ in that way. A. has he spoken to B. has he been spoken to C. he has spoken to D. he has been spoken to ...

38. I'd rather read than watch television ; the programs seem ________ all the time. A. to get worse B. to be getting worse C. to have got worse D. getting worse ...

34. The ________to the moon took the astronauts three days. A. trip B. way C. journey D. flight ...

29. Last year the advertising rate ______ by 20 percent. A. raised B. aroused C. arose D. rose ...

25. It was careful _________ the official ________ the secret to the spy. A. for , not to let out B. of , not let out C. that, didn’t let out D. of , not to let out ...

21. Students, who are better at class, always _______ more attention on what the teachers teach them than those who are not good at it. A. pay B. draw C. fix D. attract ...

17. These trees cannot be grown in suchcold ________as ours. A. weather B. climate C. season D. space ...