55.________　 56.________　 57.________　 58.________　 59.________　

54. In fact, people often _______________ some man-made objects such as kites or ball oons

　　　　 (误认作) UFOs.

Ⅵ. 综合填空。(5分)

Whether there are UFOs or not, different people have different sayings. But in fact, they can only get 　　55　 　about UFOs 　　56　 　books, movies, radio, TV or the Internet. What’s a UFO? No one 　　57　 　knows. They say the UFOs look like a plate and perhaps they mistake some man-made objects, 　　58　 　a kite or a balloon for UFOs. Until now, nobody seems to see

　 59　 　UFOs.

53.You must 　　　　　　　　　　　　　　(注意) the teacher.

52. The word “weak”　　 　　　　　　　　a letter “w”.

51. We can 　　　　　　　　　　　　　　(购物) at home.

50. Robots can 　　　　　　　　　　_______ 　　　　(取代) humans to do hard and boring work.

49. Before 1921, something like robots a　　　　 .

(B) 根据汉语提示，完成句子。

48. I am sure robots can make humans l　　　　 .

47. We can get i　　　　 through books, movies, radio, TV or the Internet.

46. There are no living things on other p　　　　 , I think.