填空题 .Cigarette smoking is the greatest preventable cause of illness and death in Britain. It is associated with around 110,000     1    and an estimated 50 million lost working days each year, and costs the National Health Service an estimated     2    for the treatment of related diseases, for example, heart disease,     3    . In addition, smoking by pregnant women can cause     4    in infants and other natal problems. The Government is following an active     5    supported by voluntary agreements with the tobacco industry aimed at     6    .
    The Government also supports the work of the voluntary organization Action on Smoking and Health whose services include     7    , offering advice and help to employers in formulating anti-smoking policies. The Government     8    a smoke-free environment, with facilities where appropriate for those who wish to smoke, and has published     9    on smoking in public places. Health authorities have been asked to     10    as the normal practice in health service buildings and to give help and advice to people who want     11    . The Independent Scientific Committee on Smoking and Health estimated that passive smoking, especially     12    , may cause several hundred deaths through lung cancer every year.
    Passive smoking, the inhalation of second-hand smoke, can increase a non-smoker's risk of getting lung cancer     13    , and may also increase the risk of cancers of the larynx (voice box) and pharynx (upper throat). Second-hand smoke can     14    . Every year, second-hand smoke kills thousands of people in Britain from lung cancer, heart disease,     15    —Chronic Obstructive Pulmonary Disease (COPD). Second-hand smoke is particularly     16    . Children exposed to passive smoking are at a higher risk of     17    , asthma, bacterial meningitis and cot death. Second-hand smoke has been linked to around     18    new cases of disease among children in Britain each year. Almost     19    of tobacco smoke is invisible and smoke particles might also     20    .
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