一文多用专题练习1.docVIP

Exercise on One Version for Multi-Use (I) Six Astronauts Are Tested to the Limit Exercise I: Word filling A. maintain B. pass C. however D. be subject to E. impact F. amused G. approximating H. shifts I. monitor J. simulator Have you ever been on a long-haul flight? How did you __1__ the time? Perhaps you watched an in-flight movie or read a book. Well it would have to be a very long book to keep you __2__ for 520 days. Thats how long six men are going to be sealed away from humanity in a warehouse in the suburbs of Moscow from tomorrow. No, this isnt another weird reality TV show, but an experiment from the European Space Agency and Russias Institute of Biomedical Problems to test the psychological __3__ of a manned mission to Mars. The six astronauts will live in conditions __4__ a real space mission. A 550-cubic-metre mock-up within the warehouse includes an interplanetary spaceship, a Mars lander and a Martian landscape. The group of six -- which includes one Chinese astronaut, Wang Yue -- will work, relax and sleep in eight-hour __5__, take two days off a week and shower once every ten days. All communication with mission control will __6__ a twenty-minute delay to reproduce the effects of distance. After 250 days, the astronauts will divide into two groups. Three will move to the Martian surface __7__ for a month while the rest will remain in orbit before returning to the earth. Throughout, the organizers of the project will use cameras to __8__ everything that happens on board. They will gather new information about personal stress levels, emotional well-being and group dynamics. Dr Maggie Aderin-Pocock, a scientist with the satellite manufacturer EADS Astrium, believed that the experiment will be extremely valuable. __9__, she points out that without the glory of being the first humans to visit the Red Planet, it could be hard for these pioneers to maintain motivation. It is far less likely this would be a problem if you really w