Complete the sentences with phrases from Reading 1. Their meanings and paragraph numbers have been given in brackets.1) If necessary, you may even want to___________________ some facts and show clients the results of studies to back you up. (examine thoroughly; Para. 4)2) Several small changes in your daily actions and habits can ease your pain, and____________________ in preventing computer-related health problems. (be of great help; Para. 9)3) The company was making final checks of the new system in the days that __________________ a public test. (occurred before; approached; Para. 10)4) Government collects its revenue (财政收入) in the form of taxes, which is _____________used for the benefit of taxpayers. (as a result; Para. 11)5) Pollution has a negative effect on the health of everyone living in the city, ________________________the damage to the environment. (and in addition; Para. 13)6) If you are responsible for the project files, it_______________ you to keep track of what changes are made, when, and by whom. (depends on; Para. 13)