已知函数f(x)＝log₂(x＋m)，且f(0)、f(2)、f(6)成等差数列.

    Cambridge University is one of the ____(old) universities in the world, and one of the largest in the United Kingdom. It is famous ____ outstanding academic achievements and the high quality of research undertaken in a wide range of science and art subjects. The university pioneers work in the ____ (understand) of diseases, the creation of new materials, advances in telecommunications and the research into the origins of the universe. It trains doctors, veto, architects, engineers and teachers. At all levels about half of the students at Cambridge study arts and humanities, many of ____ have gone on to become outstanding figures in the arts, print and broadcast ____(medium). The university's achievements in sconces can be measured by the sixty or more Nobel Prizes ____(award) to its members over the years.

    As Cambridge approached ____(it) eight hundredth anniversary in 2009, it was looking to the future. The modern university is an international center of teaching and research in ____ vast range of subjects. It continues to change in response to the challenges it faces. The 1990s ____(see) a major expansion of the university accommodation for teaching and research. There are many major new buildings either underway ____ already completed, including the Law Faculty Building and the Judge Institute of Management Studies.

设集合$A=\left\{x|\frac{x-1}{x+1}<0\right\},B=\left\{x|\left|x-1\right|<a\right\}$，则“a=1”是“$A\cap B=\varnothing$”的（ ）

—Yes.