Complete the sentences with the right word, whose first letter has already been given. ( 10 points )
小题1:We must realize that using too many d________ paper cups will cause a lot of waste and serious pollution.
小题2:In those earthquake-stricken areas, food, tents as well as medicine were u_________ needed as thousands of people became homeless or seriously injured.
小题3: The p_________ of the Harry Potter Series made the author J. K. Rowling world-famous overnight.
小题4:A thousand words will not leave so deep an i___________as one deed（行动）, so please take some action to catch the opportunity to practise your English if you really want to make progress.
小题5:According to the report, this kind of e____________ products causes no harm to the atmosphere, but it remains to be seen whether it is effective.
小题6:It’s reported that the p___________of imported music to exported music is about 50:1 in China now.
小题7:As this painting is a perfect c________ of eastern and western styles, it will surely be sold at a very high price.
小题8:When faced with trouble, you should keep calm and try to come up with a solution instead of just c_________.
小题9:Since your purpose of going to school is to o_________ knowledge, why do you waste so much time playing?
小题10:This TV programme is to test how easily a common person can be c________ to change his mind and make a purchase.
