只需填写所选单词前的大写字母。 [图] Bans on smoking...
只需填写所选单词前的大写字母。Bans on smoking in bars and restaurants can greatly improve the air quality in such establishments. For example, one study listed on the website of the Centers for Disease Control and Prevention (CDC) states that New York's statewide law to 1)_______ smoking in enclosed workplaces and public places substantially reduced RSP (respirable suspended particles) levels in western New York 2) ___________ venues. RSP levels were reduced in every venue that permitted smoking before the law was implemented, including venues in which only second-hand smoke from an adjacent room was 3) ______________ at baseline. The CDC concluded that their results were 4) _______ to other studies which also showed substantially improved indoor air quality after smoking bans. A 2004 study showed New Jersey bars and restaurants had more than nine times the levels of indoor air pollution of neighboring New York City, which had enacted its ban. Research has also shown that improved air quality translates to decreased toxin 5) _______ among employees. For example, among employees of the Norwegian establishments that enacted smoking bans, tests showed improved (decreased) levels of nicotine in the urine of both smoking and non-smoking workers (as compared with measurements prior to the ban). 1) _______