Why Rent Textbooks?
Textbook renting is now a new fashion among college students. 小题1: Let’s examine carefully further and see why renting books is a cost-effective way without shelling too much money from your pocket.
Gives value for your money
小题2: Those non-major subjects, are better acquired through renting. It saves one money and helps you give out the money you save on some other personal possessions you need in college. 小题3:
Saves time
You can save a great deal of time when renting a textbook. Instead of browsing your way for hours trying to look for better deals online, you can simply go to a popular book renting marketplace online and just order away.
小题4:
User Friendly
Aside from being able to save money and time, 小题5: Imagine trying to scan the virtual bookshelf and checking on comments of previous users and figuring out which ones got bad comments and which had great ones. It could be fun at first but if you are short of time, the process can become annoying. If you rent books, you will only be needing the book’s ISBN number and find it right away. No more time-wasting site search.
A．renting textbooks brings convenience to all users.
B．There is literally no need to skimming for hours.
C．The idea of renting one never existed since the book are affordable in libraries.
D．Research was made to find out if renting helps one save money and time rather than buying new textbooks.E. Renting textbooks allows you to save at least 50% off the standard retail price (零售价) for each item.
F. Renting textbooks is a relatively new idea for everyone, indeed.
G. You don’t have to buy all of your textbooks.
m/s。在这过程中木楔没有动，求地面对木楔的摩擦力的大小和方向。(重力加速度取g="10m" /s２) 
