某村地处山区，村委会决定开山修路，通过公路将本村与外界连接起来，使村民们更多地了解外面的世界，同时借交通运输带动本村庄经济发展。施工队进驻施工地点后发现要修筑道路的路基存在大量岩石。技术人员遂决定对路基石方进行爆破。
问题：
1、路基石方工程常用爆破方法有哪些?
2、技术人员选定用药壶炮法爆破，此法的特点是什么?
We acknowledged the receipt of your letter dated 26th September _____ connection ______ the above subject.
Louise: Will 100 dollars be enough?
Jack: Another 50 ______.
It’s important_____ a foreign language
___ will Mr. Forbes be able to regain control of the company.
Physics is the present day equivalent of ____ used to be called natural philosophy, from ____ most of present day science arose.
The old man should be treated with____.
The purpose of your resume is to _____ enough interest in you to have an employer contactyou for an interview.
—Do you mind__________ here?
—________.
__ you accept our offer, please cable us or our confirmation.
He concluded his speech with a remark that failure ____the mother of success.