53. If something e_______, it is present in the world as a real thing.

52. Something that is h______l has a bad effect on something else, especially on a person's health.

51. If one thing is u_______ another thing, the two things have different qualities from each other.

50. If you are in t________ for a particular event, you are not too late for it.

49. If someone is v_________, they use physical force kill other people.

48. A t_______ is a formal idea that is intended(目的) to explain something.

47. A s________ is a way of doing something which follows a set of rules.

46. A______for the festival itself, it is a joyful celebration of the traditions of this great city.

45. You use i_________ to confirm or agree with something that has just been said.

44. The little girl was dressed in r_______, so some poor girls look down upon her.