Have you ever thought /about what skin does for us? Most of us are aware that /skin protects us /from liquid, heat, cold, dirt, and bacteria. But that is not its only job. For instance, the skin is where our bodies make the vitamin D /that
英文速読 初級-8
Being an air stewardess is /so attractive that /many girls apply for the job and they work hard /so that /they may be a good stewardess. The reason is that they think they can make a living and see the sights of the world /at the same time
The word “drug” means anything that, even in small amounts, produces changes /in the body, the mind, or both. This definition, however, does not clearly separate drugs /from what we usually think of as food. The difference between a drug a
When someone sees a car coming, he shouts at you, “Look out!” Hearing the shout, you jump /just in time /to avoid being run over /by an automobile. You owe your escape to the fundamental cooperative act /by which most of the higher animals