首字母填空,希望哥哥姐姐帮帮忙.

1the book is very valuable.in other words ,it is a precious(宝贵的)__ book
2you may stay clam when something happens suddenly and do not panic（惊慌）__
3everyone!you must focus（集中精力,注意）___ on your study if you want to make progress
4this kind of failure is mainly due（归结于）__ to the improper education system
5i don't second（附议）___ his opinion.i am against what he said
6at his first attempt（尝试）___,he passed the driving test.
7this new product needs advertisement（广告）___when put into the market.
8the famous professor will make comments（评论）___ on everyone's speech in the meeting.