中国国家粮食局:好多长句啊，恳请高手帮忙！

1. Although perhaps only 1 percent of the life that has started somewhere will develop into highly complex and intelligent parttern, so vast is the number of planets that intelligent lifet is bound to be natural part of the universe.
2. The president pledged to reform the present political system that sometimes looks as if it were geared more to maintaining the current situation than pushing the country forward.
3. The problem of possible genetic damage to human populations from radiation exposures, including those resulting from the fallout from testing of atomic weapons, has quite properly claimed much popular attention in recent years.
4. Whether it was the heart which dictated this system of complaisance and humility adopted by our Rebecca, is to be proved by her after history.
5. From a wider angle, the Washington summit of Palestine and Israel is merely capstone of a dramatic bridge-building process that has been going on for years and will likely transform the geo-political landscape.