1._____technology has had profound effects on liestyle throughout human history. A. a B.an C.the D.no article 2.Because of the_____in our company, the accountants can savea lot of time working with figures every morning. A.computer B. computerize C. computerization D.computation 3. we/seen/left/haven't/we/since/school/her. A.we left school since we haven't seen her B.we haven't seen her since we left school C.we haven't left school since we seen her D.we left school since we haven't seen her.