你可能感兴趣的试题
in that we live on which we live where we live in we live in
don't you don't we will you do we
Our education. Our savings. The way we handle our health care. The number of years we have lived.
only a burden to the human society the result of the rapid growth of population more harmful than beneficial not likely to slow down
it enables us to survive in the closed system of a spaceship it is a modern science that everybody has to learn it can be learned quickly if we study it hard it helps us to understand the relationship between living beings and the environment
it is easy to do harm to our environment the planet on which man lives is too small for man to survive man should not create his culture and civilization too rapidly man does not want to admit the danger of what he has done to the environment
all the people are right-handed life is hard fbr left-handed people left-handed people can't live there is another left-handed world
man cannot avoid destroying the environment man cannot obtain resources he needs from other planets man cannot survive for a long time man cannot help to create a new environment
great progress agriculture our soil productivity
湘公网安备 43130202000226号