...... e opposite direction. 78. In the laboratories where astronauts are trained for their journeys, they are subjected to conditions that resemble those of flight. It takes time for them to prepare for the great changes that occur in space. When the spaceship leaves the earth at tremendous speed, the astronauts feel as if they are being crushed against the spaceship floor. 79. Other planets are so far away that spaceships must attain tremendous speeds to reach them in a reasonable time. If spaceships were launched from space or from the moon, the absence of weight would permit the ships to be launched with great speed at reduced pressures. 80. Leonov reported that the earth appeared as a huge, round disk, filling a large part of the sky. He found that the relief of hills and mountains was more easily observed from that distance than from a plane flying at a few thousand feet.
...... ...... s 8.bounty 9.superstition 10.scavengers
三、回答问题 (每小题10分,共20分) 1. Because they don’t believe Trelease. They dismiss the reading method for three reasons: One, it’s simple. Two, it’s free. Three, the child enjoys it.
2. By writing this article the author wants to advocate and promote Trelease’s educational method---reading to children. It can develop their abilities and bring about their bright future. The author hopes that readers should try and use it.