1.There is still much to be discovered about this vast blanket of water.
2.Some scientists are studying ways of bringing the ocean’s huge supply of water to the desert of the world.
3.A little instrument that had been invented measured the time it took for the sound to reach the ship
4.Where rivers flow into the sea, the flat area may extend for hundreds of miles.
5.It is hard to believe that this great underwater chain of mountains encircling the earth was discovered only a few years ago
6. He had some good things to say about people who do hard physical work.
7. A lot of my co-workers would complain when the work was too heavy,but they’d complain a lot more when there was nothing to do.
8. Even though pay was important, what brought the greatest satisfaction was knowing that someone had noticed how a job was being done.
9. He now believes that every young person should be required to spend at least half a year in the world of work before starting university studies.
10. Some sports stars have become more widely recognized than any national leader other than the president.