【简答题】Modern science suggests that a healthy lifestyle matters much to how long you can live and how well you live. Here are some tips for you to form a healthy lifestyle. Keep a scientific diet. Keep in mi...
【单选题】In planning a vacation, you need to decide on many things—where you will go, how long you will stay, what hotel you will stay at, what you want to see, and how much money you will spend. Travel packag...