Part I
b d c a b a c d a b
Part II
b a d c d b c c a d b d c b a d a b d c a b
Part III
pulls afford aim not apply out common unemployment though confidence down project assessment despite employers
Part V
A.
1. Nowadays lots of fault commodities flood our markets. Sellers, as well as customers, stress that the lack of severe punishment in executing the law is one of the many possible causes of the phenomenon.
2. The thorough analysis of the accident may result in finding out the real reason of it.
3. The investigation board decided to invite a couple of authorities concerned so as to bring more expertise to the investigation.
4. She was criticized by her boss for not being able to fulfill her task in time. No wonder she has been pulling a long face.
5. The police examined the spot carefully and finally ruled out the possibility of her suicide.
B.
The Columbia crash reminds us that space travel is not yet routine, easy, cheap or safe. With seven more astronauts dead, an old question is resurrected. If we want to do space science, aren't robots faster, cheaper and safer than people? In asking, we mean no disrespect to the brave people who ride rockets into space. Nor do we presume that people have no place whatsoever in space. Some jobs, like upgrading the Hubble Space Telescope or exploring the physiological effects of space travel, require people in space. But sending people into space is risky, and hugely expensive, and many of the 88 research projects on Columbia were largely automated anyway.
With a great deal of space science already being done without a human presence, Columbia's crash cast a cold light on problems at the core of the manned space program. The International Space Station, supposed to be the pride of NASA's fleet, is half-built, short on cash, and dependent on shuttles simply to stay in orbit. As NASA scrambles to feed the space station's insatiable appetite for money, many science projects have been delayed or cancelled.
Part VII
d c b b