Multiple choice. Summer in the city

Summer is a wonderful season because it means sun, beaches and having fun. However, summer in the city can make one        [harm, injure, hurt, suffer].

A mixture of airborne gases and heat can        [result, gain, remain, create]something of a mini-greenhouse effect, which is            [wrong, suspicious, harmful, serious] to our health.

This, in turn, brings       [up, about, round, along]a rise in temperature, making it essential to seek         [rescue, guard, shelter, caution]in an air-conditioned building. Some cities even have the added problem of smog.

This, combined with the heat makes conditions unbearable. Asthmatics, who are considered to be more             [sensitive, sensational, sensible, influenced] during the summer season, are the ones who are          [affected, attacked, obliged, appealed] the most by these conditions and their lives are often            [warned, risked, damaged, endangered].

It is therefore important that these people         [omit, avoid, ban, prevent] going out when pollution levels are high. According to official records, the increase in temperature coincides with a higher number of deaths. Twenty percent more people die from heart attacks or are killed in car accidents.However, there is hope for city dwellers.

Experts say that the situation can be            [improved, progressed, recovered, saved] if we pay more           [care, caution, interest, attention]to looking after our environment.

One step would be to          [demolish, lower, reduce, destroy] the number of vehicles and limit heavy industry, which produce toxic emissions.

Even            [exchanging, urging, advancing, replacing]dark-coloured roofs with lighter-coloured ones can cause a drop in temperature of up to 4º Celcius.