【简答题】PassageTwo Questions 5i to 55 are based on the following passage. Our world now moves so fast that we seldom stop to see just how fast we seldom stop to see just how far wu have come in just a few yea...
【单选题】Passage Two There was a big pile of bricks on the top of a tall building and a man had to bring them down to the ground. He had a long rope which went over a pulley(滑轮) at the roof of the building. Th...
A.
He was afraid that someone would steal his box.
B.
Because he wanted to climb up along the rope.
C.
He fastened the end of the rope in order to keep the box unmoved.