43. Which is the right order of what happened in the story?

a. The model time machine disappeared with a wind.

b. The time traveler came back to the room with a model time machine.

c. The members of the group argued with the time traveler for many hours.

d. The time traveler showed them a full-size time machine which was not quite complete.

e. The youngest man’s hand was placed on the model time machine.

A.e c a d b    B.b c e a d    C.c e b a d    D.c b e a d

44. What can we infer(推断）from the passage about the time traveler?

A. He believed that they could move in time.

B. He was playing a trick on a group of people.

C. He sent the young man to the future in the model time machine.

D. He would possibly send himself on a journey through time.

45. What kind of story do you think the passage is?

A. A detective story.       B. A science fiction.

C. A romantic fiction.      D. A horror story.