表示条件或假设的结构

　　1．Without the distraction of TV, they might sit around together after dinner.

　　2．As long as the brain is given plenty of exercise it keeps its power.

　　3．Were it left to me to decide whether we should have a government. without newspapers of newspapers without a government, I should not hesitate a moment to prefer the latter.

　　4．Without a degree and with no experience in teaching my chances of getting the job were slim.

　　5．With the introduction of a new assembly line, we hope to step up the production of our factory.

　　6．Whether day or night. Summer or winter, temperatures in the underground world would remain equable and nearly constant.

　　7．However odd and repulsive(古怪难受)underground living may seem at first thought, there are things to be said for it.