41.  Asweallknow,smokingis

问题详情：

41.   As we all know, smoking is _________ (harm) to our health.

42.   He paid more attention to __________(protect) his eyes.

43.   You need to get your parents’ __________ (允许，许可) to go to the seaside.

44.    I must ___________( apology ) to him for not going to his party.

45.    _____________ (Obvious ) he got angry with me.

46.    I have only a _________ (limit ) knowledge of this subject.

47.    He lay on the bed , ___________ (凝视，盯着看) at the ceiling.

48.    He treated his wife ________ (rude).

49.    The _________ (puzzle ) look on her face suggested she didn’t take in what I said.

50.    Water had also appeared on other planets but ________ (不同，不像) the earth, it had disappeared later.

【回答】

41.   harmful    42. protecting   43. permission   44. apologize/apologise  45. Obviously      

46. limited      ing                     48. rudely                     49. puzzled     50. unlike

知识点：完成句子

题型：单词拼写